{"title":"Gas \u0026 Air Quality Sensors","description":"\u003cp\u003eA sensor that detects smoke, gas leaks, or how polluted the air is. Measures gas concentration or air-quality level and alerts or logs it through the microcontroller.\u003c\/p\u003e\u003cp\u003ePart of our \u003ca href=\"\/collections\/environmental-sensors\"\u003eEnvironmental Sensors\u003c\/a\u003e range in \u003ca href=\"\/collections\/sensors\"\u003eSensors\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"smartelex-bme680-temperature-humidity-pressure-and-gas-sensor-breakout-board","title":"SmartElex BME680  Temperature, Humidity,  Pressure and Gas Sensor  Breakout Board","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eSmartElex BME680 Temperature, Humidity, Pressure and Gas Sensor Breakout Board\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eIC:\u003c\/strong\u003e Bosch BME680\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSupply voltage:\u003c\/strong\u003e 3.3V or 5V\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eInterfaces:\u003c\/strong\u003e I2C and SPI\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eTemperature accuracy:\u003c\/strong\u003e +\/-1.0 degreesC\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eHumidity accuracy:\u003c\/strong\u003e +\/-3% RH (0-100%)\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePressure range:\u003c\/strong\u003e 300-1100 hPa\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eGas sensor:\u003c\/strong\u003e VOC resistance (IAQ index)\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOperating temp:\u003c\/strong\u003e -40 degreesC to +85 degreesC\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePCB:\u003c\/strong\u003e 25.4 x 17.8 mm\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhy Choose SmartElex BME680 Temperature, Humidity, Pressure and Gas Sensor Breakout Board?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of SmartElex BME680 Temperature, Humidity, Pressure and Gas Sensor Breakout Board\u003c\/h2\u003e\u003cp\u003eGeneric BME280 boards measure only temperature and pressure. The \u003cstrong\u003eBME680\u003c\/strong\u003e adds VOC gas sensing - critical for air quality monitoring. SmartElex uses the genuine Bosch IC with a proper PCB layout, onboard 3.3V regulator, and level shifting, so it works directly from a 5V Arduino or a 3.3V ESP32 without modification.\u003c\/p\u003e\u003ch2\u003eSmartElex BME680 Breakout - 4-in-1 Environmental Sensor for Air Quality Projects\u003c\/h2\u003e\u003ch2\u003eReal-world projects\u003c\/h2\u003e\u003ch3\u003e1. Indoor Air Quality Monitor\u003c\/h3\u003e\u003cp\u003eLog CO2 equivalent, humidity, and temperature on an ESP32 with an OLED display. Link with our \u003ca href=\"\/products\/096-oled-i2c\"\u003e0.96\" OLED\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003e2. Portable Weather Station\u003c\/h3\u003e\u003cp\u003eCombine with a GPS shield for geo-tagged altitude and pressure logging on SD card.\u003c\/p\u003e\u003ch3\u003e3. Smart Greenhouse Controller\u003c\/h3\u003e\u003cp\u003eTrigger irrigation and ventilation based on BME680 humidity + temperature readings on Arduino Mega.\u003c\/p\u003e\u003ch2\u003eHow it compares\u003c\/h2\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: Does the BME680 need a library to work with Arduino?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Install the Adafruit BME680 library from the Arduino Library Manager. Full I2C and SPI examples are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use it with Raspberry Pi?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. Use the Adafruit CircuitPython BME680 library over I2C on any Raspberry Pi model.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the I2C address?\u003c\/strong\u003e\u003cbr\u003eA: Default is 0x76; set SDO HIGH for 0x77 to use two sensors on the same bus.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it measure CO2?\u003c\/strong\u003e\u003cbr\u003eA: It measures VOC gas resistance used to estimate an Indoor Air Quality (IAQ) index, not absolute CO2 ppm directly.\u003c\/p\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your SmartElex BME680 Temperature, Humidity, Pressure and Gas Sensor Breakout Board today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy SmartElex BME680 Temperature, Humidity, Pressure and Gas Sensor Breakout Board Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48741289984257,"sku":"TTD-3689","price":1299.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/0c9ac2e10440a9d6073b8b68b954a6c9.jpg?v=1778023077"},{"product_id":"smartelex-environmental-sensor-bme688","title":"SmartElex Environmental  Sensor BME688","description":"\u003cp\u003eThe SmartElex BME688 environmental sensor price in india gives you a complete air-quality lab on one 1in. breakout. This Bosch BME688 combines gas scanning (VOCs, VSCs, CO and hydrogen in ppb) with temperature, humidity and barometric pressure sensing. Popular with makers and engineers in Bangalore and across India, it ships from our Bengaluru warehouse with a GST invoice.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eBosch BME688 4-in-1 environmental\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMeasures\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eGas\/VOC, temperature, humidity, pressure\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eGas Detection\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eVOCs, VSCs, CO, hydrogen (ppb range)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eI2C or SPI\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1in. x 1in. breakout\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eImported\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose SmartElex Environmental Sensor BME688?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of SmartElex Environmental Sensor BME688\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eFour environmental parameters in a single package\u003c\/li\u003e \u003cli\u003eDetects a wide range of gases in the part-per-billion range\u003c\/li\u003e \u003cli\u003eStandalone air-quality and weather sensing\u003c\/li\u003e \u003cli\u003eCompact 1-inch square breakout board\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eIndoor air-quality monitors with a gas and VOC environmental sensor\u003c\/li\u003e \u003cli\u003eSmart-home and IoT weather nodes\u003c\/li\u003e \u003cli\u003eResearch and prototyping of gas classification\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat can the BME688 gas sensor detect?\u003c\/strong\u003e\u003cbr\u003eIt senses VOCs, volatile sulfur compounds, carbon monoxide and hydrogen down to the part-per-billion range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it also read temperature and humidity?\u003c\/strong\u003e\u003cbr\u003eYes — it combines gas, temperature, humidity and pressure, a favourite sensor module Bangalore IoT builders use.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk pricing?\u003c\/summary\u003e\u003cp\u003eYes — message us on WhatsApp for bulk or business pricing on SmartElex Environmental Sensor BME688.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your SmartElex Environmental Sensor BME688 today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy SmartElex Environmental Sensor BME688 Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48741290836225,"sku":"TTD-3697","price":1005.33,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/40eacb3deb923bb15707430668447675.jpg?v=1778023092"},{"product_id":"sparkfun-gas-sensor-breakout","title":"SparkFun Gas Sensor Breakout","description":"\u003cp\u003eSparkFun Gas Sensor Breakout\u003c\/p\u003e\u003ch2\u003eWhy Choose SparkFun Gas Sensor Breakout?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your SparkFun Gas Sensor Breakout today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy SparkFun Gas Sensor Breakout Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48742568460545,"sku":"TTD-7018","price":103.88,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/b728d6fbc1d273f81d09009cc97920dd.jpg?v=1778030654"},{"product_id":"breakout-board-for-mq-gas-sensors","title":"Breakout Board for MQ Gas Sensors","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eBreakout Board for MQ Gas Sensors\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003eBreakout Board for MQ Gas Sensors\u003c\/p\u003e\u003cp\u003eDetection\u003c\/p\u003e\u003cp\u003esing high-quality dual-panel design, with power indicator and TTL signal output instructions;\u003c\/p\u003e\u003cp\u003eThe switching signal having a DO (TTL) output and analog output AO ;\u003c\/p\u003e\u003cp\u003eTTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )\u003c\/p\u003e\u003cp\u003eAnalog output voltage with the higher concentration of higher voltage.\u003c\/p\u003e\u003cp\u003eA gas, natural gas, city gas , smoke better sensitivity.\u003c\/p\u003e\u003cp\u003eThere are four screw holes for easy positioning ;\u003c\/p\u003e\u003cp\u003eHas a long life and reliable stability\u003c\/p\u003e\u003cp\u003eRapid response and recovery characteristic\u003c\/p\u003e\u003cp\u003eInput voltage : DC5V Power consumption ( current ): 150mA\u003c\/p\u003e\u003cp\u003eDO output : TTL digital 0 and 1 ( 0.1 and 5V)\u003c\/p\u003e\u003cp\u003eAO output :0.1-0 .3 V ( relative to pollution ) , the maximum concentration of a voltage of about 4V\u003c\/p\u003e\u003cp\u003eSpecial note:\u003c\/p\u003e\u003cp\u003eAfter the sensor is powered , needs to warm up around 20S, measured data was stable , heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal .\u003c\/p\u003e\u003cp\u003eVCC: positive power supply (5V)\u003c\/p\u003e\u003cp\u003eGND: power supply is negative\u003c\/p\u003e\u003cp\u003eDO: TTL switching signal output\u003c\/p\u003e\u003cp\u003eAO: analog signal output\u003c\/p\u003e\u003cp\u003eShop online at \u003ca href=\"https:\/\/techdepot.in\"\u003eTech Depot India\u003c\/a\u003e - India's trusted electronics components store. Fast delivery across Bengaluru, Delhi, Hyderabad.\u003c\/p\u003e\u003ch2\u003eWhy Choose Breakout Board for MQ Gas Sensors?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Breakout Board for MQ Gas Sensors today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Breakout Board for MQ Gas Sensors Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48743638106369,"sku":"TTD-8244","price":125.08,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/b8a2b6ef57576b4cc36a6bc21c127afe.jpg?v=1778060768"},{"product_id":"mq-8-hydrogen-gas-sensor-module-h2-alarm-detection","title":"MQ-8 Hydrogen Gas Sensor Module H2 Alarm Detection","description":"\u003cp\u003eMQ-8 Hydrogen Gas Sensor Module H2 Alarm Detection\u003c\/p\u003e\u003ch2\u003eWhy Choose MQ-8 Hydrogen Gas Sensor Module H2 Alarm Detection?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-8 Hydrogen Gas Sensor Module H2 Alarm Detection today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-8 Hydrogen Gas Sensor Module H2 Alarm Detection Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745137406209,"sku":"TTD-14764","price":124.88,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/b5c6e808fec23c28fe9270df25695884.jpg?v=1778082413"},{"product_id":"mq-7-co-carbon-monoxide-coal-gas-sensor-module","title":"MQ-7 CO Carbon Monoxide Coal Gas Sensor Module","description":"\u003cp\u003eMQ-7 CO Carbon Monoxide Coal Gas Sensor Module\u003c\/p\u003e\u003ch2\u003eWhy Choose MQ-7 CO Carbon Monoxide Coal Gas Sensor Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-7 CO Carbon Monoxide Coal Gas Sensor Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-7 CO Carbon Monoxide Coal Gas Sensor Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745147040001,"sku":"TTD-14797","price":141.67,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/6e80c18666fb307d704136fb73c0841d.png?v=1778082468"},{"product_id":"mq6-propane-butane-lpg-lng-gas-sensor-module","title":"MQ6 Propane Butane LPG LNG Gas Sensor Module","description":"\u003cp\u003eMQ6 Propane Butane LPG LNG Gas Sensor Module\u003c\/p\u003e\u003ch2\u003eWhy Choose MQ6 Propane Butane LPG LNG Gas Sensor Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ6 Propane Butane LPG LNG Gas Sensor Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ6 Propane Butane LPG LNG Gas Sensor Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745147433217,"sku":"TTD-14802","price":126.14,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/e1d940d10e18c960815bb4acfaaea756.jpg?v=1778082480"},{"product_id":"sharp-gp2y1014au0f-dust-sensor-module","title":"SHARP GP2Y1014AU0F Dust Sensor Module","description":"\u003cp\u003eSHARP GP2Y1014AU0F Dust Sensor Module\u003c\/p\u003e\u003ch2\u003eWhy Choose SHARP GP2Y1014AU0F Dust Sensor Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your SHARP GP2Y1014AU0F Dust Sensor Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy SHARP GP2Y1014AU0F Dust Sensor Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745150087425,"sku":"TTD-14828","price":433.54,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/ebe9b60877da6f96282bbe76d4bc4335.jpg?v=1778082513"},{"product_id":"mq-2-smoke-lpg-butane-hydrogen-gas-sensor-detector-module","title":"MQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePremium Quality Gas Detection Solution from Tech Depot India, Bengaluru\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFeature\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics Component \/ Gas Sensor Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSmoke, LPG, Butane, Hydrogen, Methane\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eTechnical Support\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ereliable via Email \u0026amp; WhatsApp\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe MQ-2 is a highly sensitive semiconductor gas sensor module designed for detecting multiple hazardous gases including smoke, LPG, butane, hydrogen, and methane. This versatile sensor is ideal for creating smart safety systems, alarm devices, and air quality monitoring applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePerfect for:\u003c\/strong\u003e Safety systems IoT projects Environmental monitoring Industrial applications\u003c\/p\u003e\u003ch3\u003eHome Safety\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eDIY smoke detection systems\u003c\/li\u003e \u003cli\u003eGas leak alarm devices\u003c\/li\u003e \u003cli\u003eSmart home safety integration\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eIndustrial \u0026amp; Professional\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eCommercial air quality monitoring\u003c\/li\u003e \u003cli\u003eIndustrial safety systems\u003c\/li\u003e \u003cli\u003eEnvironmental compliance applications\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eLearning \u0026amp; Development\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eArduino\/Raspberry Pi projects\u003c\/li\u003e \u003cli\u003eIoT and sensor experimentation\u003c\/li\u003e \u003cli\u003eElectronics education and training\u003c\/li\u003e \u003cli\u003eRobotics competitions\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eResearch \u0026amp; Development\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eGas analysis experiments\u003c\/li\u003e \u003cli\u003eSensor calibration projects\u003c\/li\u003e \u003cli\u003eEnvironmental monitoring systems\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePackage Contents\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat You Get:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eMQ-2 Sensor Module (ready to use)\u003c\/li\u003e \u003cli\u003eComplete technical documentation\u003c\/li\u003e \u003cli\u003ePin configuration guide\u003c\/li\u003e \u003cli\u003eApplication notes \u0026amp; sample code\u003c\/li\u003e \u003cli\u003eLifetime email\/WhatsApp support access\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eTechnical Highlights\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e - Detects even low concentrations of target gases\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFast Response Time\u003c\/strong\u003e - Quick detection for safety-critical applications\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAnalog Output\u003c\/strong\u003e - Easy integration with microcontrollers\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eStable Performance\u003c\/strong\u003e - Consistent readings over extended use\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCost-Effective\u003c\/strong\u003e - Affordable solution for professional-grade detection\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this product 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, absolutely.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat technical support is available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eFull reliable technical support via email and WhatsApp. Our team helps with circuit design, code implementation, troubleshooting, and project guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you offer bulk discounts?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Special wholesale pricing is available for orders of 10+ units. Contact us via WhatsApp or email for customized bulk quotes.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan I use this with Arduino\/Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eAbsolutely! The MQ-2 is fully compatible with Arduino, Raspberry Pi, and other microcontroller platforms. We provide sample code and integration guides.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat gases does it detect?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe MQ-2 reliably detects: LPG, Butane, Propane, Methane, Hydrogen, Smoke, and other combustible gases. Analog output allows for threshold-based triggering.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745162506497,"sku":"TTD-14934","price":126.14,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/543976821f568c81f9565923075d6510.jpg?v=1778082662"},{"product_id":"mq-5-methane-lpg-liquid-propane-gas-sensor-module","title":"MQ-5 Methane LPG Liquid Propane Gas Sensor Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-5 Methane LPG Liquid Propane Gas Sensor Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePremium Gas Detection Solution from Tech Depot India, Bengaluru\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eParameter\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSemiconductor (SnO2)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetectable Gases\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eMethane, LPG, Natural Gas, Coal Gas\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e300-10,000 ppm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHeating Time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e~20 seconds\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u0026lt;10 seconds\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAnalog (AO) \u0026amp; Digital (DO)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e-10 degreesC to +50 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHumidity Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e25%-95% RH\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-5 Methane LPG Liquid Propane Gas Sensor Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-5 Methane LPG Liquid Propane Gas Sensor Module\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDual Output Modes\u003c\/strong\u003e - Analog output for precise measurements + Digital output for threshold detection\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e - Detects gas leaks quickly and accurately\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Ideal for battery-powered applications\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompact Design\u003c\/strong\u003e - Easy integration into existing systems\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Proven in industrial and residential safety applications\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEasy Calibration\u003c\/strong\u003e - Simple adjustment with onboard potentiometer\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003col\u003e \u003cli\u003e \u003cstrong\u003ePower Supply\u003c\/strong\u003e: Connect VCC to +5V and GND to ground\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWarm-up\u003c\/strong\u003e: Allow 20 seconds for sensor stabilization\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAnalog Reading\u003c\/strong\u003e: Connect AO pin to microcontroller ADC for gas concentration\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDigital Alert\u003c\/strong\u003e: Monitor DO pin for threshold-based alarm\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCalibration\u003c\/strong\u003e: Use onboard potentiometer to adjust sensitivity (if needed)\u003c\/li\u003e \u003c\/ol\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe MQ-5 is a highly sensitive semiconductor gas sensor designed for detecting methane, LPG (Liquified Petroleum Gas), and other combustible gases. Ideal for safety monitoring, leak detection, and alarm systems, this module provides reliable and accurate gas concentration measurements for both hobbyist and professional applications.\u003c\/p\u003e\u003ch3\u003eHome Safety\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eLPG\/Natural gas leak detection\u003c\/li\u003e \u003cli\u003eKitchen safety alarms\u003c\/li\u003e \u003cli\u003eSmart home automation\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eIndustrial Use\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eGas pipeline monitoring\u003c\/li\u003e \u003cli\u003eWarehouse safety systems\u003c\/li\u003e \u003cli\u003eMining operations\u003c\/li\u003e \u003cli\u003eOil \u0026amp; gas facilities\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eEducational Projects\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eArduino\/Raspberry Pi integration\u003c\/li\u003e \u003cli\u003eIoT projects\u003c\/li\u003e \u003cli\u003eEnvironmental monitoring systems\u003c\/li\u003e \u003cli\u003eSmart sensor prototypes\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eDIY \u0026amp; Hobbyist Projects\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eGas detection alarm circuits\u003c\/li\u003e \u003cli\u003eAir quality monitoring\u003c\/li\u003e \u003cli\u003eRobotics applications\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhat's Included in the Box\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eMQ-5 Sensor Module\u003c\/strong\u003e - Ready-to-use with PCB interface\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTechnical Documentation\u003c\/strong\u003e - Datasheet and pinout diagram\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupport Materials\u003c\/strong\u003e - Quick start guide and troubleshooting tips\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWarranty Card\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eTechnical Pinout\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003ePin\u003c\/td\u003e \u003ctd\u003eFunction\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eVCC\u003c\/td\u003e \u003ctd\u003e+5V Power Supply\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGND\u003c\/td\u003e \u003ctd\u003eGround\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAO\u003c\/td\u003e \u003ctd\u003eAnalog Output (0-5V)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDO\u003c\/td\u003e \u003ctd\u003eDigital Output (TTL)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eArduino (UNO, MEGA, Nano) Raspberry Pi STM32 Microcontrollers ESP8266\/ESP32 \u003c\/p\u003e\u003cp\u003eAny 5V logic microcontroller\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this product 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, absolutely. Each unit comes with a warranty card for authenticity confirmation.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, our expert team provides reliable technical support via email and WhatsApp. We assist with wiring, calibration, troubleshooting, and integration guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! We offer attractive wholesale pricing for orders of 10 or more units. Contact us via WhatsApp for customized bulk quotes.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan I use this with Arduino?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eAbsolutely! The MQ\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-5 Methane LPG Liquid Propane Gas Sensor Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-5 Methane LPG Liquid Propane Gas Sensor Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745165684993,"sku":"TTD-14964","price":157.94,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/cb7b1f7d2be7fa453cd70bf5178a3a39.jpg?v=1778082704"},{"product_id":"mq-2-gas-sensor-module-for-h2-lpg-ch4-co-smoke-or-propane-detector-module-pack-of-25","title":"MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25)","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25)\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFeature\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics Component\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePack of 25 Units\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eH2, LPG, CH, CO, Smoke, Propane\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAnalog Signal (0-5V)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e-10 degreesC to +50 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u0026lt;10 seconds\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eParameter\u003c\/td\u003e \u003ctd\u003eValue\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Gases\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eH2, LPG, CH, CO, Smoke, Propane\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensitivity Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e200-10,000 ppm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u0026lt;10 seconds\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e~160 mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAnalog (0-5V) + Digital\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e+\/-5%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e35%-75% RH\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eLifespan\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e2+ years under normal use\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25)?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eBulk Savings\u003c\/strong\u003e - Pack of 25 offers excellent value for projects and resale\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEasy Integration\u003c\/strong\u003e - Simple analog output compatible with Arduino, Raspberry Pi, and microcontrollers\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eMulti-Gas Detection\u003c\/strong\u003e - Detects hydrogen, LPG, methane, carbon monoxide, and smoke\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e - Precise detection with adjustable threshold\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCompact Design\u003c\/strong\u003e - Easy to integrate into various applications\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Efficient operation for battery-powered systems\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eDurable Sensors\u003c\/strong\u003e - Industrial-grade quality for long-term reliability\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCost-Effective\u003c\/strong\u003e - Bulk pack pricing ideal for large projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe MQ-2 Gas Sensor Module is a versatile, highly sensitive semiconductor gas sensor designed to detect multiple hazardous gases in one compact unit. This bulk pack of 25 modules is ideal for professionals, hobbyists, and educational institutions looking to build reliable gas detection systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePerfect for:\u003c\/strong\u003e Safety systems, IoT projects, industrial monitoring, smart home applications, and environmental sensing.\u003c\/p\u003e\u003ch2\u003eMQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module (Pack of 25)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQuality electronics from Tech Depot India, Bengaluru.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eDIY Electronics\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eBuild a home safety alarm system\u003c\/li\u003e \u003cli\u003eCreate a smart gas leak detector\u003c\/li\u003e \u003cli\u003eDevelop environmental monitoring stations\u003c\/li\u003e \u003cli\u003eDesign IoT-enabled safety devices\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eProfessional Applications\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eIndustrial air quality monitoring\u003c\/li\u003e \u003cli\u003eCommercial HVAC systems\u003c\/li\u003e \u003cli\u003eManufacturing safety systems\u003c\/li\u003e \u003cli\u003eWarehouse and storage facility monitoring\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eArduino and embedded systems projects\u003c\/li\u003e \u003cli\u003eIoT and sensor integration courses\u003c\/li\u003e \u003cli\u003eElectronics and robotics workshops\u003c\/li\u003e \u003cli\u003eResearch and experimentation\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePack Contents:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003e25 x MQ-2 Gas Sensor Modules\u003c\/li\u003e \u003cli\u003eTechnical documentation and datasheets\u003c\/li\u003e \u003cli\u003ePin configuration guides\u003c\/li\u003e \u003cli\u003eSample code and integration examples\u003c\/li\u003e \u003cli\u003eQuick-start support materials\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow to Get Started\u003c\/h2\u003e\u003col\u003e \u003cli\u003e \u003cstrong\u003eOrder Now\u003c\/strong\u003e - Add to cart and checkout securely\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eReceive Fast\u003c\/strong\u003e - Get your pack within 7-10 working days\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eGet Support\u003c\/strong\u003e - Access documentation and expert help\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eBuild Projects\u003c\/strong\u003e - Integrate into your\u003c\/li\u003e \u003c\/ol\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, absolutely. We guarantee original products with full traceability.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, we offer comprehensive reliable technical support via email and WhatsApp. Our team can help with integration, troubleshooting, and project guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Wholesale pricing available on orders of 10+ units. Contact us for custom quotes on larger quantities.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhich microcontrollers are compatible?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eMQ-2 modules work with Arduino, Raspberry Pi, NodeMCU, STM32, PIC, and any microcontroller with analog input capability.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan I use this for commercial products?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, these modules are suitable for commercial and industrial applications. We provide bulk pricing and technical documentation for product integration.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25) today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25) Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745256321281,"sku":"TTD-15652","price":2976.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/5e54f82b219491faeba477d6a7252f4f.png?v=1778083736"},{"product_id":"elecfreaks-octopus-dust-sensor-sharp-gp2y1010au0f","title":"ELECFREAKS Octopus Dust Sensor (Sharp GP2Y1010AU0F)","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eELECFREAKS Octopus Dust Sensor (Sharp GP2Y1010AU0F)\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003ePremium quality dust and particle detection sensor from Tech Depot India, Bengaluru.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOptical Dust Sensor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSharp GP2Y1010AU0F\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eELECFREAKS Octopus Series\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose ELECFREAKS Octopus Dust Sensor (Sharp GP2Y1010AU0F)?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of ELECFREAKS Octopus Dust Sensor (Sharp GP2Y1010AU0F)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eOptical Detection Technology\u003c\/strong\u003e - Precise dust particle measurement using infrared LED\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e - Easy integration with microcontrollers and development boards\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompact Design\u003c\/strong\u003e - Space-efficient Octopus connector format\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Ideal for battery-powered applications\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Industry-standard Sharp sensor technology\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDIY \u0026amp; Hobbyist Projects\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eAir quality monitoring stations\u003c\/li\u003e \u003cli\u003eEnvironmental sensor projects\u003c\/li\u003e \u003cli\u003eIoT home automation systems\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eEducational Applications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eArduino\/Raspberry Pi projects\u003c\/li\u003e \u003cli\u003eElectronics learning kits\u003c\/li\u003e \u003cli\u003eStudent research projects\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProfessional Use\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eIndustrial air quality monitoring\u003c\/li\u003e \u003cli\u003eCommercial HVAC systems\u003c\/li\u003e \u003cli\u003eEnvironmental testing labs\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cp\u003eSharp GP2Y1010AU0F Dust Sensor \u003c\/p\u003e\u003cp\u003eTechnical documentation \u0026amp; datasheet\u003c\/p\u003e\u003cp\u003eIntegration guide for popular platforms\u003c\/p\u003e\u003cp\u003ereliable technical support access\u003c\/p\u003e\u003ch2\u003eTechnical Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eNeed Help?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003e Email support: Available reliable\u003c\/li\u003e \u003cli\u003e WhatsApp support: Quick responses\u003c\/li\u003e \u003cli\u003e Documentation: Complete guides included\u003c\/li\u003e \u003cli\u003e Integration assistance: For Arduino, Raspberry Pi, and more\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this sensor 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, we source directly from authorized ELECFREAKS distributors with full authentication verification. Every product undergoes quality checks before dispatch.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan I use this with Arduino or Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! The analog output works directly with Arduino analog pins. For Raspberry Pi, you'll need an ADC converter (like ADS1115). We provide integration guides with your purchase.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you offer bulk discounts?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Wholesale pricing available for orders of 10+ units. Contact us via email or WhatsApp for custom quotes on bulk orders.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eHow accurate is the dust measurement?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe Sharp GP2Y1010AU0F provides reliable relative dust density measurements. Accuracy depends on calibration and environmental conditions. Suitable for general air quality monitoring and comparative measurements.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's the power requirement?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eOperating voltage: 4.5-5.5V DC. Current consumption: ~20mA during operation. Very efficient for portable and battery-powered projects.\u003c\/p\u003e \u003c\/details\u003e\u003cp\u003e\u003cstrong\u003eReady to monitor air quality?\u003c\/strong\u003e Order your ELECFREAKS Octopus Dust Sensor today and get expert support included!\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Reach out via email or WhatsApp - we're here to help!\u003c\/p\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your ELECFREAKS Octopus Dust Sensor (Sharp GP2Y1010AU0F) today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy ELECFREAKS Octopus Dust Sensor (Sharp GP2Y1010AU0F) Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745288401153,"sku":"TTD-15905","price":379.05,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/08a0cff972ef0889b87e27b6aa1814de.png?v=1778084137"},{"product_id":"mq-7-gas-sensor-for-carbon-monoxide-detector-module","title":"MQ-7 Gas Sensor For Carbon Monoxide Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-7 Gas Sensor For Carbon Monoxide Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003ePremium quality carbon monoxide detection sensor from Tech Depot India, Bengaluru. Authentic components with fast delivery and comprehensive support.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFeature\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics Component\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eCarbon Monoxide (CO) Detection\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-7 Gas Sensor For Carbon Monoxide Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-7 Gas Sensor For Carbon Monoxide Detector Module\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Industry-standard gas detection accuracy\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003ePrecise CO Detection\u003c\/strong\u003e - Reliable carbon monoxide sensing for safety applications\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eEasy Integration\u003c\/strong\u003e - Compatible with microcontroller-based projects\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eDurable Design\u003c\/strong\u003e - Long operational lifespan with stable performance\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCompact Form Factor\u003c\/strong\u003e - Ideal for embedded and IoT applications\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Efficient operation for battery-powered systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eUse Case\u003c\/td\u003e \u003ctd\u003eApplication\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDIY Electronics\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHobbyist projects, home automation, safety systems\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProfessional\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eIndustrial monitoring, commercial safety devices\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eEducation\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eStudent projects, electronics learning, skill development\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eIoT Solutions\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSmart home integration, wireless monitoring systems\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cp\u003eMQ-7 Gas Sensor Module Technical Documentation Integration Guide Customer Support Access\u003c\/p\u003e\u003ch2\u003eTechnical Support\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eEmail Support\u003c\/strong\u003e - Response within 24 hours\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWhatsApp Support\u003c\/strong\u003e - Real-time assistance\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDocumentation\u003c\/strong\u003e - Complete datasheets and application notes\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIntegration Help\u003c\/strong\u003e - Expert guidance for your projects\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this product 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, absolutely. We guarantee original components only.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs technical support really available reliable?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, our support team is available reliable via email and WhatsApp for technical queries, integration help, and troubleshooting.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's your return\/replacement policy?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eWe prioritize customer satisfaction.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk\/wholesale discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, special pricing for orders of 10+ units. Contact us for custom quotes and bulk order arrangements.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan you help with circuit design and integration?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eAbsolutely. Our technical team provides free consultation for circuit design, Arduino\/microcontroller integration, and application development.\u003c\/p\u003e \u003c\/details\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-7 Gas Sensor today and build reliable CO detection systems!\u003c\/strong\u003e\u003c\/p\u003e\u003cem\u003eTech Depot India - Your trusted electronics partner since [year]\u003c\/em\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-7 Gas Sensor For Carbon Monoxide Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-7 Gas Sensor For Carbon Monoxide Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745291743489,"sku":"TTD-15929","price":122.96,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/ab7f196f77f9791c7f1eea9b65ffa108.png?v=1778084186"},{"product_id":"mq-4-natural-gas-sensor-for-methanecng-gas-detector-module","title":"MQ-4 Natural Gas sensor For Methane(CNG) gas Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-4 Natural Gas sensor For Methane(CNG) gas Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePremium Quality Electronics from Tech Depot India, Bengaluru \u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFast Shipping\u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e responsive support\u003c\/strong\u003e \u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eParameter\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSemiconductor MQ-4\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Gas\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eMethane (CH), Natural Gas, CNG\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePreheat Time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e20 seconds (minimum)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e200-10,000 ppm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u0026lt;10 seconds\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-4 Natural Gas sensor For Methane(CNG) gas Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-4 Natural Gas sensor For Methane(CNG) gas Detector Module\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e - Excellent response to methane and natural gas detection\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFast Response Time\u003c\/strong\u003e - Quick detection for real-time monitoring\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWide Detection Range\u003c\/strong\u003e - Suitable for various concentration levels\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDurable Design\u003c\/strong\u003e - Long operational lifespan\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEasy Integration\u003c\/strong\u003e - Compatible with microcontrollers and IoT platforms\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Energy-efficient operation\u003c\/p\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003col\u003e \u003cli\u003e \u003cstrong\u003ePower Supply\u003c\/strong\u003e - Connect to 5V DC power source\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePreheat\u003c\/strong\u003e - Allow 20 seconds for sensor stabilization\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCalibration\u003c\/strong\u003e - Calibrate in clean air for accurate readings\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIntegration\u003c\/strong\u003e - Connect analog output to microcontroller ADC pin\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMonitoring\u003c\/strong\u003e - Read gas concentration values in real-time\u003c\/li\u003e \u003c\/ol\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe MQ-4 is a highly sensitive semiconductor gas sensor designed specifically for detecting natural gas and methane (CNG). This professional-grade sensor module is ideal for safety monitoring, environmental detection, and industrial applications where reliable gas detection is critical.\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch3\u003eHome Safety Systems\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eDomestic gas leak detection\u003c\/li\u003e \u003cli\u003eCNG vehicle safety monitoring\u003c\/li\u003e \u003cli\u003eKitchen gas appliance safety\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eNatural gas pipeline monitoring\u003c\/li\u003e \u003cli\u003eIndustrial safety systems\u003c\/li\u003e \u003cli\u003eEnvironmental air quality monitoring\u003c\/li\u003e \u003cli\u003eManufacturing process control\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eAutomotive Projects\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eCNG vehicle emission detection\u003c\/li\u003e \u003cli\u003eFuel tank monitoring systems\u003c\/li\u003e \u003cli\u003eVehicle safety alarms\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eEducational \u0026amp; DIY\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eArduino and Raspberry Pi projects\u003c\/li\u003e \u003cli\u003eIoT gas detection systems\u003c\/li\u003e \u003cli\u003eRobotics and automation learning\u003c\/li\u003e \u003cli\u003eElectronics experimentation and prototyping\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eResearch \u0026amp; Development\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eEnvironmental monitoring stations\u003c\/li\u003e \u003cli\u003eAir quality analysis projects\u003c\/li\u003e \u003cli\u003eSensor calibration and testing\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhat's Included in the Box\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eMQ-4 Gas Sensor Module\u003c\/strong\u003e (1 unit)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTechnical Documentation\u003c\/strong\u003e - Datasheet and pin configuration\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuick Start Guide\u003c\/strong\u003e - Setup and calibration instructions\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSupport Materials\u003c\/strong\u003e - Integration examples and code snippets\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003e Is this product 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, absolutely. Every unit is tested before dispatch to ensure quality standards.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003e What warranty coverage do I get?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eExtended warranty options are also available.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003e How fast is the shipping?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eExpress shipping options are available for urgent orders.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003e Do you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, we provide comprehensive reliable technical support via email and WhatsApp. Our expert team can help with integration, troubleshooting, and project guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003e Are bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! We offer attractive wholesale pricing on orders of 10 or more units. Contact our sales team for customized quotes on bulk orders.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003e Can I use this sensor with Arduino\/Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eAbsolutely! The MQ-4 is fully compatible with Arduino, Raspberry Pi, and other microcontroller platforms. We provide sample code and integration guides with your purchase.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003e What is the sensor's accuracy?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe MQ-4 provides reliable detection with good accuracy across its detection range. Accuracy depends on proper calibration and environmental conditions. Detailed calibration procedures are included in the documentation.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-4 Natural Gas sensor For Methane(CNG) gas Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-4 Natural Gas sensor For Methane(CNG) gas Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745293250817,"sku":"TTD-15942","price":102.6,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/93ec9a3d9531df05ac553d1087e770e1.jpg?v=1778084208"},{"product_id":"mq-5-gas-sensor-for-methanecng-propane-and-natural-gas-detector-module","title":"MQ-5 Gas Sensor For Methane(CNG), Propane, and Natural Gas Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-5 Gas Sensor For Methane(CNG), Propane, and Natural Gas Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003eQuality electronics from Tech Depot India, Bengaluru.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eParameter\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics Component - Gas Sensor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Gases\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eMethane, Propane, Natural Gas, CNG\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSemiconductor-based\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAnalog Signal\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-5 Gas Sensor For Methane(CNG), Propane, and Natural Gas Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe MQ-5 is a reliable semiconductor gas sensor module designed for detecting combustible gases including methane (CNG), propane, and natural gas. Ideal for safety applications, environmental monitoring, and IoT projects requiring gas detection capabilities.\u003c\/p\u003e\u003ch3\u003eDIY Electronics\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eGas leak detection systems\u003c\/li\u003e \u003cli\u003eHome safety alarms\u003c\/li\u003e \u003cli\u003eArduino\/Raspberry Pi projects\u003c\/li\u003e \u003cli\u003eSmart home automation\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eProfessional Applications\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eIndustrial gas monitoring\u003c\/li\u003e \u003cli\u003eCommercial HVAC systems\u003c\/li\u003e \u003cli\u003eEnvironmental monitoring stations\u003c\/li\u003e \u003cli\u003eSafety compliance systems\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eElectronics hobbyist projects\u003c\/li\u003e \u003cli\u003eIoT skill development\u003c\/li\u003e \u003cli\u003eSensor integration tutorials\u003c\/li\u003e \u003cli\u003eEngineering coursework\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhat's Included in the Box\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eMQ-5 Gas Sensor Module\u003c\/li\u003e \u003cli\u003eComplete technical documentation\u003c\/li\u003e \u003cli\u003eQuick start guide\u003c\/li\u003e \u003cli\u003eSupport contact details\u003c\/li\u003e \u003cli\u003eInstallation guidelines\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eTechnical Support \u0026amp; Services\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail Support\u003c\/strong\u003e - Detailed technical assistance\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp Support\u003c\/strong\u003e - Quick troubleshooting \u0026amp; queries\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDocumentation\u003c\/strong\u003e - Complete datasheets \u0026amp; integration guides\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Advice\u003c\/strong\u003e - Project consultation included\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, absolutely.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat technical support is available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eFull reliable technical support via email and WhatsApp. Our team helps with installation, troubleshooting, and project integration.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's your return\/replacement policy?\u003c\/strong\u003e\u003c\/summary\u003e  \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Wholesale pricing available on orders of 10+ units. Contact us for custom quotes.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan I use this with Arduino\/Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, the MQ-5 outputs analog signals compatible with Arduino, Raspberry Pi, and other microcontrollers. Full integration guides provided.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat gases does it detect?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe MQ-5 specifically detects methane (CH), propane (C3H), natural gas, and CNG with high sensitivity and fast response time.\u003c\/p\u003e \u003c\/details\u003e\u003cp\u003e\u003cstrong\u003eChoose Tech Depot India for authentic, reliable electronics with exceptional support. Order your MQ-5 Gas Sensor today!\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-5 Gas Sensor For Methane(CNG), Propane, and Natural Gas Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-5 Gas Sensor For Methane(CNG), Propane, and Natural Gas Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745318252801,"sku":"TTD-16114","price":75.05,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/0778ffbd1a68d8550c4ab84403610379.jpg?v=1778084459"},{"product_id":"mq131-ozone-gas-detection-module-for-ozone-gas-o3-detector-module","title":"MQ131 Ozone Gas Detection Module For ozone gas (O3) Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ131 Ozone Gas Detection Module For ozone gas (O3) Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003ePremium quality electronics from Tech Depot India, Bengaluru.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eParameter\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics Component - Gas Sensor Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Gas\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOzone (O3)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSnO2 Semiconductor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e10-1000 ppm (typical)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e-10 degreesC to +50 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e30-90% RH\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u0026lt;10 seconds\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ131 Ozone Gas Detection Module For ozone gas (O3) Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ131 Ozone Gas Detection Module For ozone gas (O3) Detector Module\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCost-Effective\u003c\/strong\u003e - Excellent value for professional and hobbyist applications\u003c\/p\u003e\u003cp\u003eTrusted by 10,000+ customers across India \u003c\/p\u003e\u003cp\u003e100% authentic products guaranteed\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe MQ131 is a high-sensitivity ozone (O3) gas detection module designed for precise environmental monitoring and safety applications. This semiconductor-based sensor provides reliable ozone concentration measurements in parts per million (ppm), making it ideal for air quality monitoring systems, industrial safety applications, and research projects.\u003c\/p\u003e\u003ch3\u003eEnvironmental Monitoring\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eAir quality assessment systems\u003c\/li\u003e \u003cli\u003eIndoor\/outdoor ozone level detection\u003c\/li\u003e \u003cli\u003ePollution monitoring stations\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eIndustrial Safety\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eWorkplace air quality monitoring\u003c\/li\u003e \u003cli\u003eHVAC system optimization\u003c\/li\u003e \u003cli\u003eChemical processing facilities\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eDIY \u0026amp; Hobbyist Projects\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eArduino\/Raspberry Pi integration\u003c\/li\u003e \u003cli\u003eSmart home air quality systems\u003c\/li\u003e \u003cli\u003eEducational experiments\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eProfessional Applications\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eResearch laboratories\u003c\/li\u003e \u003cli\u003eMedical facilities\u003c\/li\u003e \u003cli\u003eAgricultural monitoring\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eElectronics courses\u003c\/li\u003e \u003cli\u003eIoT projects\u003c\/li\u003e \u003cli\u003eSensor technology training\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eTechnical Features\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e: Detects ozone concentrations from 10 ppm onwards\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFast Response\u003c\/strong\u003e: Quick detection with \u0026lt;10 second response time\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide Operating Range\u003c\/strong\u003e: Suitable for diverse environmental conditions\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eEasy Integration\u003c\/strong\u003e: Compatible with microcontrollers (Arduino, Raspberry Pi, etc.)\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDurable Design\u003c\/strong\u003e: Tech Depot India semiconductor construction for long-term reliability\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhat's Included in the Box\u003c\/h2\u003e\u003cp\u003eMQ131 Ozone Gas Detection Module \u003c\/p\u003e\u003cp\u003eTechnical datasheet and pinout diagram\u003c\/p\u003e\u003cp\u003eConnection guide and wiring instructions\u003c\/p\u003e\u003cp\u003eSample code for popular platforms\u003c\/p\u003e\u003cp\u003eDocumentation and support materials\u003c\/p\u003e Quick start guide \u003ch2\u003ePin Configuration\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003ePin\u003c\/td\u003e \u003ctd\u003eFunction\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eVCC\u003c\/td\u003e \u003ctd\u003ePower Supply (+5V)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGND\u003c\/td\u003e \u003ctd\u003eGround\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAO\u003c\/td\u003e \u003ctd\u003eAnalog Output\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDO\u003c\/td\u003e \u003ctd\u003eDigital Output\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eConnection Guide\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eFor Arduino:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eVCC -\u0026gt; 5V\u003c\/li\u003e \u003cli\u003eGND -\u0026gt; GND\u003c\/li\u003e \u003cli\u003eAO -\u0026gt; A0 (Analog Pin)\u003c\/li\u003e \u003cli\u003eDO -\u0026gt; D2 (Digital Pin, optional)\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, absolutely. We guarantee genuine MQ131 modules.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Our expert team provides responsive support via email and WhatsApp. We can help with wiring, coding, troubleshooting, and integration assistance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Wholesale pricing is available on orders of 10+ units. Contact our sales team for custom quotes and bulk order discounts.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan I use this with Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, the MQ131 works with both Arduino and Raspberry Pi. We provide sample code and connection guides for both platforms.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's the typical lifespan of this sensor?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eWith proper usage and calibration, the MQ131 typically lasts 2-3 years. Sensor life depends on environmental conditions and usage frequency.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs calibration required?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, initial calibration in clean air is recommended for accurate readings. Detailed calibration instructions are provided in the documentation.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ131 Ozone Gas Detection Module For ozone gas (O3) Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ131 Ozone Gas Detection Module For ozone gas (O3) Detector Module Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745319334145,"sku":"TTD-16123","price":1905.88,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/25de2738a0973aba787e01c6f215bfbf.jpg?v=1778084474"},{"product_id":"m5stack-tvoc-eco2-gas-unit-sgp30","title":"M5Stack TVOC\/eCO2 Gas Unit (SGP30)","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eM5Stack TVOC\/eCO2 Gas Unit (SGP30)\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePremium Air Quality Sensor Module for IoT \u0026amp; Environmental Monitoring\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eQuality electronics from Tech Depot India, Bengaluru.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eParameter\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eGas Sensor Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor Model\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSGP30 (Sensirion)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMeasurements\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eTVOC (Total Volatile Organic Compounds) \u0026amp; eCO2 (equivalent CO2)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eM5Stack ecosystem, Arduino, Raspberry Pi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eI2C Protocol\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose M5Stack TVOC\/eCO2 Gas Unit (SGP30)?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of M5Stack TVOC\/eCO2 Gas Unit (SGP30)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eReliable Measurements\u003c\/strong\u003e - Industrial-grade air quality sensor\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEasy Integration\u003c\/strong\u003e - Works seamlessly with M5Stack \u0026amp; microcontrollers\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eDual Gas Detection\u003c\/strong\u003e - Simultaneous TVOC and eCO2 measurement\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCompact Design\u003c\/strong\u003e - M5Stack unit form factor\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Ideal for battery-powered applications\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eI2C Communication\u003c\/strong\u003e - Simple digital interface\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eWide Range\u003c\/strong\u003e - Detects various volatile organic compounds\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCalibration Support\u003c\/strong\u003e - Self-calibration capability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eUse Case\u003c\/td\u003e \u003ctd\u003eApplication\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSmart Home\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eIndoor air quality monitoring, HVAC automation\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eIoT Projects\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eEnvironmental data logging, cloud integration\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eIndustrial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eWorkplace air quality compliance monitoring\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eEducational\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eLearn gas sensing, sensor calibration techniques\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHealth \u0026amp; Wellness\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePersonal air quality tracker devices\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cp\u003eM5Stack SGP30 Gas Sensor Unit \u003c\/p\u003e\u003cp\u003eTechnical documentation \u0026amp; datasheet\u003c\/p\u003e Quick start guide \u003cp\u003ereliable technical support access\u003c\/p\u003e\u003ch2\u003eTechnical Insights\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eTVOC Measurement:\u003c\/strong\u003e Detects volatile organic compounds like formaldehyde, benzene, and other harmful gases\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eeCO2 Measurement:\u003c\/strong\u003e Estimates CO2 levels based on VOC detection (useful for CO2 estimation without dedicated CO2 sensor)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eResponse Time:\u003c\/strong\u003e Fast detection for real-time monitoring\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Sourced directly from authorized Sensirion distributors with full authentication verification and traceability.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan I use this with Arduino\/Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! SGP30 communicates via I2C protocol, compatible with Arduino, Raspberry Pi, and M5Stack. Libraries available online.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's the difference between TVOC and eCO2?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eTVOC measures actual volatile organic compounds. eCO2 is an estimation based on VOC levels-useful for CO2 approximation without a dedicated CO2 sensor.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Full technical support via email and WhatsApp reliable. We help with integration, troubleshooting, and project guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eBulk\/wholesale pricing?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Special discounts available on 10+ unit orders. Contact us for custom quotes and volume pricing.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDoes it need calibration?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eSGP30 features automatic self-calibration. No manual calibration needed for typical indoor use. Detailed calibration procedures available in documentation.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your M5Stack TVOC\/eCO2 Gas Unit (SGP30) today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy M5Stack TVOC\/eCO2 Gas Unit (SGP30) Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745320972545,"sku":"TTD-16138","price":1748.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/32fa463498861de20a9843851bd696b3.png?v=1778084494"},{"product_id":"mq-2-gas-sensor-for-h2-lpg-ch4-co-smoke-or-propane-detector","title":"MQ-2 Gas Sensor for H2, LPG, CH4, CO, Smoke or Propane Detector","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-2 Gas Sensor for H2, LPG, CH4, CO, Smoke or Propane Detector\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuality electronics from Tech Depot India, Bengaluru.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFeature\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics Component\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eH2, LPG, CH4, CO, Smoke, Propane\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-2 Gas Sensor for H2, LPG, CH4, CO, Smoke or Propane Detector?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDIY Electronics\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePerfect for hobbyist projects, home automation, and experimentation with gas detection systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProfessional Applications\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSuitable for industrial safety systems, commercial gas leak detection, and workplace monitoring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearning \u0026amp; Education\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eGreat for students, makers, and skill development in sensor technology and IoT projects.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe MQ-2 Gas Sensor is a versatile semiconductor sensor designed to detect multiple hazardous gases including hydrogen (H2), liquefied petroleum gas (LPG), methane (CH4), carbon monoxide (CO), smoke, and propane. Ideal for safety applications, environmental monitoring, and DIY projects.\u003c\/p\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eMQ-2 Gas Sensor module\u003c\/li\u003e \u003cli\u003eTechnical documentation \u0026amp; datasheet\u003c\/li\u003e \u003cli\u003eQuick start guide\u003c\/li\u003e \u003cli\u003eSupport contact information\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eWe guarantee original components.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, full technical support available reliable via email and WhatsApp for setup, troubleshooting, and project guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's your return policy?\u003c\/strong\u003e\u003c\/summary\u003e  \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing available on orders of 10+ units. Contact us for custom quotes.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhich gases does this sensor detect?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe MQ-2 detects H2, LPG, CH4 (methane), CO (carbon monoxide), smoke, and propane with high sensitivity.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan this be used for home safety?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, it's commonly used in DIY gas leak detection systems, smoke detectors, and home safety alarms.\u003c\/p\u003e \u003c\/details\u003e\u003cp\u003e\u003cstrong\u003eOrder Now from Tech Depot India - Your Trusted Electronics Partner in Bengaluru\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-2 Gas Sensor for H2, LPG, CH4, CO, Smoke or Propane Detector today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-2 Gas Sensor for H2, LPG, CH4, CO, Smoke or Propane Detector Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745352364289,"sku":"TTD-16381","price":117.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/4ebfd00afcc4b8452e8efae13ee98e75.jpg?v=1778084851"},{"product_id":"mg811-carbon-dioxide-sensor-for-carbon-dioxide-detector-module","title":"MG811 Carbon Dioxide Sensor For Carbon Dioxide Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMG811 Carbon Dioxide Sensor For Carbon Dioxide Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003ePremium quality CO2 sensing solution from \u003cstrong\u003eTech Depot India, Bengaluru\u003c\/strong\u003e.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFeature\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics Component - CO2 Sensor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MG811 Carbon Dioxide Sensor For Carbon Dioxide Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MG811 Carbon Dioxide Sensor For Carbon Dioxide Detector Module\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Industry-standard CO2 detection\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch3\u003eDIY \u0026amp; Hobbyist Projects\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eAir quality monitoring systems\u003c\/li\u003e \u003cli\u003eSmart home automation\u003c\/li\u003e \u003cli\u003eEnvironmental sensors\u003c\/li\u003e \u003cli\u003eIoT-based CO2 detectors\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eProfessional \u0026amp; Industrial Use\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eHVAC system integration\u003c\/li\u003e \u003cli\u003eGreenhouse monitoring\u003c\/li\u003e \u003cli\u003eIndoor air quality management\u003c\/li\u003e \u003cli\u003eCommercial building automation\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eEducational \u0026amp; Learning\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eElectronics engineering projects\u003c\/li\u003e \u003cli\u003eSensor technology courses\u003c\/li\u003e \u003cli\u003eStudent experimentation kits\u003c\/li\u003e \u003cli\u003eSkill development programs\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eMG811 CO2 Sensor Module\u003c\/li\u003e \u003cli\u003eTechnical Documentation \u0026amp; Datasheet\u003c\/li\u003e \u003cli\u003eQuick Start Guide\u003c\/li\u003e \u003cli\u003eCustomer Support Access\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eReady to Order?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eContact Tech Depot India:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eEmail: techdepotindia@gmail.com\u003c\/li\u003e \u003cli\u003eWhatsApp: Available reliable\u003c\/li\u003e \u003cli\u003eLocation: Bengaluru, India\u003c\/li\u003e \u003c\/ul\u003e\u003cem\u003eGet your MG811 CO2 Sensor today and start your project!\u003c\/em\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes!\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs technical support available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Complete technical support via Email and WhatsApp reliable. Our engineers can help with integration and troubleshooting.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's your return policy?\u003c\/strong\u003e\u003c\/summary\u003e  \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Special wholesale pricing for orders of 10+ units. Contact us for custom quotes.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDoes it work with Arduino\/Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! The MG811 is compatible with Arduino, Raspberry Pi, and other microcontroller platforms. Documentation included.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's the sensor accuracy?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eHigh-precision detection with excellent linearity. Refer to the technical datasheet included for detailed specifications.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MG811 Carbon Dioxide Sensor For Carbon Dioxide Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MG811 Carbon Dioxide Sensor For Carbon Dioxide Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745363472641,"sku":"TTD-16544","price":2081.45,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/8d62ef4c4301e72ddf6b963ea0381bc8.jpg?v=1778085104"},{"product_id":"mq-9-gas-sensor-module-for-carbon-monoxide-methane-and-lpg-detector-module","title":"MQ-9 Gas Sensor Module For Carbon Monoxide, Methane, and LPG Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-9 Gas Sensor Module For Carbon Monoxide, Methane, and LPG Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePremium Quality Electronics from Tech Depot India, Bengaluru\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFeature\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eGas Sensor Module (Electronics Component)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Capability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eCarbon Monoxide (CO), Methane (CH), LPG\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eTechnical Support\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eEmail \u0026amp; WhatsApp reliable\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-9 Gas Sensor Module For Carbon Monoxide, Methane, and LPG Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-9 Gas Sensor Module For Carbon Monoxide, Methane, and LPG Detector Module\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Industry-standard sensor for accurate gas detection\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch3\u003eDIY \u0026amp; Hobbyist Projects\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eHome gas leak detection systems\u003c\/li\u003e \u003cli\u003eArduino\/Raspberry Pi-based monitoring projects\u003c\/li\u003e \u003cli\u003eIoT environmental sensors\u003c\/li\u003e \u003cli\u003ePersonal safety gadgets\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eProfessional \u0026amp; Industrial Use\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eCommercial gas detection systems\u003c\/li\u003e \u003cli\u003eIndustrial safety monitoring\u003c\/li\u003e \u003cli\u003eHVAC system integration\u003c\/li\u003e \u003cli\u003eSmart building automation\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eEducational \u0026amp; Learning\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eElectronics and sensor experimentation\u003c\/li\u003e \u003cli\u003eIoT and embedded systems courses\u003c\/li\u003e \u003cli\u003eRobotics club projects\u003c\/li\u003e \u003cli\u003eEngineering skill development\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eMQ-9 Gas Sensor Module (1x)\u003c\/li\u003e \u003cli\u003eTechnical datasheet and pinout documentation\u003c\/li\u003e \u003cli\u003eQuick start guide\u003c\/li\u003e \u003cli\u003eSupport contact information\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eReady to Order?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eGet Your MQ-9 Gas Sensor Module Today!\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEmail: techdepotindia@gmail.com\u003c\/p\u003e WhatsApp: Available reliable \u003cp\u003eFree shipping on orders above Rs.500\u003c\/p\u003e\u003cem\u003eTech Depot India - Your trusted electronics partner since [Year]. Quality guaranteed, support assured.\u003c\/em\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this product 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, absolutely. We guarantee genuine quality.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat kind of support do you provide?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eFull reliable technical support via email and WhatsApp. Our team can help with installation, troubleshooting, and project guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's your return and refund policy?\u003c\/strong\u003e\u003c\/summary\u003e  \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre there bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Wholesale pricing is available for orders of 10+ units. Contact our sales team for customized quotes.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan I use this with Arduino\/Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, the MQ-9 is fully compatible with Arduino, Raspberry Pi, and other microcontroller platforms. Documentation and sample code available.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's the detection range?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe MQ-9 detects CO: 10-10,000 ppm, Methane: 100-10,000 ppm, and LPG: 100-10,000 ppm. Refer to the datasheet for detailed specifications.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-9 Gas Sensor Module For Carbon Monoxide, Methane, and LPG Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-9 Gas Sensor Module For Carbon Monoxide, Methane, and LPG Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745369665793,"sku":"TTD-16604","price":116.85,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/ab788fd0ba91dda1b80a4366ea5ec291.jpg?v=1778085205"},{"product_id":"mq-136-hydrogen-gas-sensor-for-hydrogen-sulfide-detector-module","title":"MQ-136 Hydrogen Gas Sensor For Hydrogen Sulfide Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-136 Hydrogen Gas Sensor For Hydrogen Sulfide Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePremium Quality Electronics from Tech Depot India, Bengaluru\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eAttribute\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eGas Sensor Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Gas\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHydrogen (H2) \u0026amp; Hydrogen Sulfide (H2S)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eTechnical Support\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eEmail \u0026amp; WhatsApp reliable\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-136 Hydrogen Gas Sensor For Hydrogen Sulfide Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-136 Hydrogen Gas Sensor For Hydrogen Sulfide Detector Module\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Trusted for industrial \u0026amp; hobbyist applications\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e - Accurate detection of hydrogen and hydrogen sulfide gases\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eEasy Integration\u003c\/strong\u003e - Compatible with Arduino, Raspberry Pi, and microcontroller projects\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eDurable Construction\u003c\/strong\u003e - Built for long-term reliability\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Efficient operation for portable applications\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCompact Design\u003c\/strong\u003e - Space-saving form factor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eCategory\u003c\/td\u003e \u003ctd\u003eUse Cases\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDIY \u0026amp; Hobbyist\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eGas detection projects, environmental monitoring, smart home systems\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eIndustrial\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAir quality monitoring, safety systems, chemical detection\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eEducational\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics learning, sensor experiments, IoT prototyping\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProfessional\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHVAC systems, laboratory equipment, safety compliance\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eMQ-136 Sensor Module (1x)\u003c\/li\u003e \u003cli\u003eTechnical Documentation \u0026amp; Datasheet\u003c\/li\u003e \u003cli\u003eQuick Start Guide\u003c\/li\u003e \u003cli\u003eEmail \u0026amp; WhatsApp Support Access\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eContact \u0026amp; Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available reliable\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLocation:\u003c\/strong\u003e Bengaluru, Karnataka\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder with confidence - Quality guaranteed!\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this product 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! We guarantee original components only.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat technical support is available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eresponsive support via email and WhatsApp. Our team assists with setup, troubleshooting, circuit design, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Wholesale pricing is available for orders of 10+ units. Contact us for custom quotes.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs documentation provided?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eComplete technical documentation, pinout diagrams, and sample code are included with every purchase.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eCan this sensor be used with Arduino\/Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, the MQ-136 is fully compatible with Arduino, Raspberry Pi, and other microcontroller platforms.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-136 Hydrogen Gas Sensor For Hydrogen Sulfide Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-136 Hydrogen Gas Sensor For Hydrogen Sulfide Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745370681601,"sku":"TTD-16621","price":1762.78,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/7337ef73814385cf198e73c6c645a49c.jpg?v=1778085229"},{"product_id":"mq-8-gas-sensor-module-for-hydrogen-gas-detector-module","title":"MQ-8 Gas Sensor Module For Hydrogen Gas Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-8 Gas Sensor Module For Hydrogen Gas Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003eQuality electronics from Tech Depot India, Bengaluru.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eParameter\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics Component\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eMQ-8 Hydrogen Gas Sensor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Gas\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHydrogen (H2)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAnalog + Digital\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u0026lt;10 seconds\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-8 Gas Sensor Module For Hydrogen Gas Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-8 Gas Sensor Module For Hydrogen Gas Detector Module\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eHigh Sensitivity:\u003c\/strong\u003e Precise detection of hydrogen gas in PPM (parts per million)\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFast Response Time:\u003c\/strong\u003e Quick sensor activation for real-time monitoring\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide Detection Range:\u003c\/strong\u003e Suitable for various hydrogen concentration levels\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Compatible with Arduino, Raspberry Pi, and microcontroller platforms\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAnalog \u0026amp; Digital Output:\u003c\/strong\u003e Flexible connectivity options for different applications\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCompact Design:\u003c\/strong\u003e Fits seamlessly into space-constrained projects\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Proven accuracy in hydrogen detection\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eDIY Electronics:\u003c\/strong\u003e Perfect for hobbyist projects, hydrogen leak detection systems, and experimentation\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eProfessional Applications:\u003c\/strong\u003e Industrial safety monitoring, fuel cell systems, hydrogen storage facility alarms\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLearning \u0026amp; Education:\u003c\/strong\u003e Ideal for students, IoT projects, and skill development in gas sensing technology\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSmart Home Integration:\u003c\/strong\u003e Home safety systems with hydrogen detection capabilities\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eEnvironmental Monitoring:\u003c\/strong\u003e Air quality assessment in laboratories and research facilities\u003c\/li\u003e \u003cli\u003eHydrogen fuel cell monitoring systems\u003c\/li\u003e\n\u003cli\u003eIndustrial safety and leak detection\u003c\/li\u003e\n\u003cli\u003eLaboratory gas analysis\u003c\/li\u003e\n\u003cli\u003eAutomotive hydrogen fuel systems\u003c\/li\u003e\n\u003cli\u003eSmart sensor networks\u003c\/li\u003e\n\u003cli\u003eEnvironmental quality monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe MQ-8 Gas Sensor Module is a highly sensitive electrochemical sensor designed specifically for detecting hydrogen gas (H2) concentrations in the air. This module is ideal for safety applications, industrial monitoring, and DIY electronics projects requiring reliable hydrogen detection.\u003c\/p\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eMQ-8 Sensor Module (1 unit)\u003c\/li\u003e \u003cli\u003ePre-calibrated sensor element\u003c\/li\u003e \u003cli\u003eDocumentation and technical datasheet\u003c\/li\u003e \u003cli\u003eQuick start guide\u003c\/li\u003e \u003cli\u003eSupport materials and application notes\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eOperating Conditions:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eTemperature Range: -10 degreesC to +50 degreesC\u003c\/li\u003e \u003cli\u003eHumidity: 30% - 90% RH\u003c\/li\u003e \u003cli\u003ePreheat Time: 20 seconds (recommended)\u003c\/li\u003e \u003cli\u003eLoad Resistance: Adjustable (typically 10kOhm)\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConnectivity:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eAnalog Output (AO): For variable voltage reading\u003c\/li\u003e \u003cli\u003eDigital Output (DO): For threshold-based detection\u003c\/li\u003e \u003cli\u003eVCC: 5V Power Supply\u003c\/li\u003e \u003cli\u003eGND: Ground connection\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eEach unit is tested for quality assurance before dispatch.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, full technical support available via email and WhatsApp reliable. Our team helps with installation, calibration, and troubleshooting.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's your return policy?\u003c\/strong\u003e\u003c\/summary\u003e  \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing available on 10+ unit orders. Contact our sales team for custom quotes.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eHow do I calibrate the sensor?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe sensor comes pre-calibrated. We provide detailed calibration instructions for fine-tuning based on your specific application requirements.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this suitable for Arduino\/Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, fully compatible with Arduino, Raspberry Pi, and other microcontroller platforms. Sample code and libraries available.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-8 Gas Sensor Module For Hydrogen Gas Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-8 Gas Sensor Module For Hydrogen Gas Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746488135937,"sku":"TTD-16723","price":92.15,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/2311fce194fc155cf6b25886621bdbf1.png?v=1778106014"},{"product_id":"mq-137-nh3-gas-sensor-module-for-ammonia-carbon-monoxide-detector-module","title":"MQ-137 NH3 Gas Sensor Module for Ammonia, Carbon monoxide Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-137 NH3 Gas Sensor Module for Ammonia, Carbon monoxide Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eParameter\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSemiconductor MQ-137\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Gas\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAmmonia (NH3), Carbon Monoxide (CO)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e10-300 ppm (Ammonia)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAnalog (AO pin) + Digital (DO pin)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHeating Time\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e2 minutes (warm-up)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e-10 degreesC to 50 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e-20 degreesC to 70 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHumidity Range\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e95% RH max (non-condensing)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModule Size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e32 x 27 x 27 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e~20 grams\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-137 NH3 Gas Sensor Module for Ammonia, Carbon monoxide Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-137 NH3 Gas Sensor Module for Ammonia, Carbon monoxide Detector Module\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e - Detects ammonia concentrations from 10-300 ppm\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFast Response Time\u003c\/strong\u003e - Quick gas detection and alert capability\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWide Operating Range\u003c\/strong\u003e - Temperature: -10 degreesC to 50 degreesC\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e - Easy integration with microcontrollers (Arduino, Raspberry Pi)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Ideal for battery-powered applications\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompact Design\u003c\/strong\u003e - Space-efficient module format\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuality Assured\u003c\/strong\u003e - Tested before shipment\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eMQ-137 Gas Sensor Module\u003c\/strong\u003e is a high-sensitivity semiconductor gas sensor designed for detecting ammonia (NH3) and carbon monoxide (CO) in various applications. This reliable, cost-effective solution is ideal for environmental monitoring, industrial safety systems, and DIY electronics projects.\u003c\/p\u003e\u003ch2\u003eMQ-137 NH3 Gas Sensor Module for Ammonia \u0026amp; Carbon Monoxide Detection\u003c\/h2\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIn the Box:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003e1x MQ-137 Gas Sensor Module (pre-assembled)\u003c\/li\u003e \u003cli\u003e1x Jumper wire set (4-pin connector compatible)\u003c\/li\u003e \u003cli\u003e1x Technical datasheet \u0026amp; pinout diagram\u003c\/li\u003e \u003cli\u003e1x Quick start guide\u003c\/li\u003e \u003cli\u003e1x Support documentation\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePin Configuration\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003ePin\u003c\/td\u003e \u003ctd\u003eFunction\u003c\/td\u003e \u003ctd\u003eColor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eVCC\u003c\/td\u003e \u003ctd\u003ePower Supply (+5V)\u003c\/td\u003e \u003ctd\u003eRed\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGND\u003c\/td\u003e \u003ctd\u003eGround\u003c\/td\u003e \u003ctd\u003eBlack\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAO\u003c\/td\u003e \u003ctd\u003eAnalog Output\u003c\/td\u003e \u003ctd\u003eYellow\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDO\u003c\/td\u003e \u003ctd\u003eDigital Output\u003c\/td\u003e \u003ctd\u003eGreen\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch3\u003eIndustrial \u0026amp; Commercial\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eAir quality monitoring systems\u003c\/li\u003e \u003cli\u003eAmmonia leak detection in refrigeration plants\u003c\/li\u003e \u003cli\u003eWastewater treatment facilities\u003c\/li\u003e \u003cli\u003eChemical manufacturing safety\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eResidential \u0026amp; Environmental\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eHome air quality monitoring\u003c\/li\u003e \u003cli\u003eLivestock farm ammonia detection\u003c\/li\u003e \u003cli\u003eIndoor environmental sensors\u003c\/li\u003e \u003cli\u003eSmart home automation systems\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eEducational \u0026amp; DIY\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eArduino\/Raspberry Pi projects\u003c\/li\u003e \u003cli\u003eIoT development platforms\u003c\/li\u003e \u003cli\u003eElectronics learning kits\u003c\/li\u003e \u003cli\u003eMaker\/hobbyist experiments\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eResearch \u0026amp; Development\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eEnvironmental monitoring studies\u003c\/li\u003e \u003cli\u003eGas sensor calibration projects\u003c\/li\u003e \u003cli\u003ePrototype development\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003col\u003e \u003cli\u003e \u003cstrong\u003eDetection\u003c\/strong\u003e - The semiconductor sensor detects gas molecules and changes resistance\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSignal Processing\u003c\/strong\u003e - Built-in amplifier converts resistance change to voltage\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOutput\u003c\/strong\u003e - Provides both analog (0-5V) and digital (HIGH\/LOW) signals\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIntegration\u003c\/strong\u003e - Connect to microcontroller for real-time monitoring and alerts\u003c\/li\u003e \u003c\/ol\u003e\u003ch2\u003eInstallation \u0026amp; Usage Guide\u003c\/h2\u003e\u003ch3\u003eQuick Start\u003c\/h3\u003e\u003col\u003e \u003cli\u003eConnect VCC to +5V power supply\u003c\/li\u003e \u003cli\u003eConnect GND to ground\u003c\/li\u003e \u003cli\u003eConnect AO pin to analog input (A0) on microcontroller\u003c\/li\u003e \u003cli\u003eConnect DO pin to digital input (D2) on microcontroller\u003c\/li\u003e \u003cli\u003eAllow 2-minute warm-up time before reading\u003c\/li\u003e \u003cli\u003eCalibrate in clean air for accurate readings\u003c\/li\u003e \u003c\/ol\u003e\u003ch3\u003eArduino Code Example\u003c\/h3\u003e cpp int analogPin = A0; int digitalPin = 2; void setup() { Serial.begin(9600); pinMode(digitalPin, INPUT); \u003cp\u003edelay(120000); \/\/ 2-minute warm-up\u003c\/p\u003e } void loop() { \u003cp\u003eint analogValue = analogRead(analogPin);\u003c\/p\u003e\u003cp\u003eint digitalValue = digitalRead(digitalPin);\u003c\/p\u003e Serial.print(\"Analog: \"); Serial.print(analogValue); Serial.print(\" | Digital: \"); Serial.println(digitalValue); delay(1000); } \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eQ: What's the difference between MQ-137 and other MQ sensors?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe MQ-137 is specifically optimized for ammonia (NH3) detection with high sensitivity in the 10-300 ppm range. Other MQ sensors target different gases like methane (MQ-4), LPG (MQ-5), or alcohol (MQ-3).\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eQ: How long does the sensor last?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eWith proper use, the MQ-137 typically lasts 2-5 years. Lifespan depends on operating conditions, frequency of use, and exposure to extreme temperatures.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eQ: Is calibration required?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, for accurate readings, calibrate in clean air during the first use. Most applications use the sensor in relative mode (comparing readings rather than absolute values).\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eQ: Can I use this\u003c\/strong\u003e\u003c\/summary\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-137 NH3 Gas Sensor Module for Ammonia, Carbon monoxide Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-137 NH3 Gas Sensor Module for Ammonia, Carbon monoxide Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746495672577,"sku":"TTD-16850","price":1106.75,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/57b03e6859b1ccbce61afe9447f8f31f.jpg?v=1778106198"},{"product_id":"optical-dust-sensor-with-cable","title":"Optical Dust Sensor with Cable","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eOptical Dust Sensor with Cable\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePremium Quality Electronics from Tech Depot India, Bengaluru\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFeature\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eElectronics Component\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose Optical Dust Sensor with Cable?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Optical Dust Sensor with Cable\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eReady to Use\u003c\/strong\u003e - Comes with pre-attached cable for immediate deployment\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDIY \u0026amp; Hobbyist Projects\u003c\/strong\u003e - Ideal for makers and electronics enthusiasts\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIndustrial Applications\u003c\/strong\u003e - Professional-grade for commercial use\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEducation \u0026amp; Learning\u003c\/strong\u003e - Perfect for students and skill development programs\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAir Quality Monitoring\u003c\/strong\u003e - Environmental and pollution detection systems\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e Optical Dust Sensor with Cable Technical Documentation reliable Customer Support Access \u003ch2\u003eCustomer Commitment\u003c\/h2\u003e\u003cp\u003eAt Tech Depot India, we're committed to providing quality electronics with exceptional service. Your satisfaction is our priority!\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNeed Help?\u003c\/strong\u003e Contact us anytime via WhatsApp or email for quick assistance.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this product 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Every product is genuine and tested.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat kind of technical support is available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eresponsive support via email and WhatsApp. Our team helps with setup, troubleshooting, and integration guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's your return\/replacement policy?\u003c\/strong\u003e\u003c\/summary\u003e  \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk\/wholesale discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! Orders of 10+ units qualify for special wholesale pricing. Contact us for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDoes the cable come pre-attached?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, the sensor comes with cable already connected and ready to use.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat are the typical applications?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eAir quality monitoring, industrial dust detection, environmental sensors, IoT projects, and automated systems.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Optical Dust Sensor with Cable today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Optical Dust Sensor with Cable Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746501243137,"sku":"TTD-16937","price":506.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/84ed14955cc1d3fd70e84608d8ed5ebc.jpg?v=1778106336"},{"product_id":"mq-6-gas-sensor-module-for-propane-butane-and-lpg-detector-module","title":"MQ-6 Gas Sensor Module For Propane, Butane, And LPG Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-6 Gas Sensor Module For Propane, Butane, And LPG Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQuality electronics from Tech Depot India, Bengaluru.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFeature\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eGas Sensor Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDetection Gases\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePropane, Butane, LPG\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-6 Gas Sensor Module For Propane, Butane, And LPG Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-6 Gas Sensor Module For Propane, Butane, And LPG Detector Module\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eReliable Detection\u003c\/strong\u003e - Highly sensitive to LPG, propane, and butane gases\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCost-Effective\u003c\/strong\u003e - Perfect for budget-conscious projects\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eHigh Sensitivity\u003c\/strong\u003e - Detects propane, butane, and LPG at low concentrations\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eFast Response Time\u003c\/strong\u003e - Quick gas detection for safety applications\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCompact Design\u003c\/strong\u003e - Easy integration into DIY and professional systems\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eDurable Construction\u003c\/strong\u003e - Long-lasting performance in various conditions\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eWide Application Range\u003c\/strong\u003e - From hobbyist projects to industrial use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCustomer-Centric\u003c\/strong\u003e - Your satisfaction is our priority\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003ch3\u003eDIY Electronics\u003c\/h3\u003e\u003cp\u003ePerfect for hobbyist projects, smart home automation, and personal experimentation with gas detection systems.\u003c\/p\u003e\u003ch3\u003eProfessional Applications\u003c\/h3\u003e\u003cp\u003eIdeal for industrial gas leak detection, commercial kitchen monitoring, and safety systems in commercial spaces.\u003c\/p\u003e\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\u003cp\u003eExcellent for students learning IoT, embedded systems, and sensor technology in schools and colleges.\u003c\/p\u003e\u003ch3\u003eHome Safety\u003c\/h3\u003e\u003cp\u003eBuild your own LPG leak detection alarm for kitchen safety and home security.\u003c\/p\u003e\u003ch2\u003eWhat's Included in the Box\u003c\/h2\u003e\u003cp\u003eMQ-6 Gas Sensor Module (1 unit)\u003c\/p\u003e\u003cp\u003eTechnical documentation and datasheet\u003c\/p\u003e\u003cp\u003eSupport materials and contact information\u003c\/p\u003e\u003cp\u003eIntegration guide for popular platforms\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, absolutely! We guarantee genuine components only.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! We provide full technical support reliable via email and WhatsApp. Our engineers are ready to help with integration, troubleshooting, and project guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's your return and replacement policy?\u003c\/strong\u003e\u003c\/summary\u003e  \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes! We offer attractive wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for bulk quotations.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhich microcontrollers are compatible?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe MQ-6 works with Arduino, Raspberry Pi, NodeMCU, PIC, and most microcontroller platforms with analog input capability.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat's the detection range?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThe MQ-6 effectively detects LPG\/propane\/butane concentrations from 300-10,000 ppm, suitable for most safety applications.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-6 Gas Sensor Module For Propane, Butane, And LPG Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-6 Gas Sensor Module For Propane, Butane, And LPG Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746519068929,"sku":"TTD-17186","price":96.9,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/ee9f04863f86e93fbdcb165e5dd01701.jpg?v=1778106706"},{"product_id":"mq-5-gas-sensor-module-for-h2-lpg-ch4-co-detector-module","title":"MQ-5 Gas Sensor Module For H2, LPG, CH4, CO Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-5 Gas Sensor Module For H2, LPG, CH4, CO Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSensor Type\u003c\/td\u003e \u003ctd\u003eMQ-5 Semiconductor Gas Sensor Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetectable Gases\u003c\/td\u003e \u003ctd\u003eH2 (Hydrogen), LPG, CH4 (Methane), CO (Carbon Monoxide), Natural Gas\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetection Range\u003c\/td\u003e \u003ctd\u003e200-10,000 ppm (varies by gas)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOutput Type\u003c\/td\u003e \u003ctd\u003eAnalog (AO) + Digital (DO) with adjustable threshold potentiometer\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHeater Voltage\u003c\/td\u003e \u003ctd\u003e5V AC\/DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePreheat Time\u003c\/td\u003e \u003ctd\u003e~24-48 hours (initial burn-in); ~60 seconds for subsequent use\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eComparator Chip\u003c\/td\u003e \u003ctd\u003eLM393 dual comparator for stable digital output\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eIndicator LEDs\u003c\/td\u003e \u003ctd\u003ePower LED + Digital Output Trigger LED\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSensitivity Adjustment\u003c\/td\u003e \u003ctd\u003eOnboard potentiometer for digital threshold tuning\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-20 degreesC to +50 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eInterface Pins\u003c\/td\u003e \u003ctd\u003eVCC, GND, AO (Analog Out), DO (Digital Out)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBoard Dimensions\u003c\/td\u003e \u003ctd\u003e~32mm x 20mm (compact breakout module)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMounting\u003c\/td\u003e \u003ctd\u003eM3 mounting hole for secure installation\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eArduino, ESP32, ESP8266, Raspberry Pi, STM32, PIC, and other 5V-logic MCUs\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-5 Gas Sensor Module For H2, LPG, CH4, CO Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-5 Gas Sensor Module For H2, LPG, CH4, CO Detector Module\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eMulti-Gas Detection:\u003c\/strong\u003e Reliably senses H2, LPG, CH4, CO, and natural gas in a single compact module - ideal for comprehensive safety systems\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDual Output Flexibility:\u003c\/strong\u003e Analog output for precise concentration measurement and digital output with adjustable threshold for simple alarm triggering\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLow Cross-Sensitivity to Alcohol:\u003c\/strong\u003e Compared to MQ-2 and MQ-3 sensors, the MQ-5 offers reduced sensitivity to alcohol vapors, providing cleaner readings for combustible gas detection\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOnboard Signal Conditioning:\u003c\/strong\u003e LM393 comparator and potentiometer eliminate the need for external circuitry - connect directly to your microcontroller\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePlug-and-Play with Arduino:\u003c\/strong\u003e Simple 4-pin header (VCC, GND, AO, DO) works out of the box with analogRead() or digitalRead() functions\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eVisual Feedback:\u003c\/strong\u003e Power and trigger LEDs provide instant status indication without needing a serial monitor\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eLPG Kitchen Leak Detector:\u003c\/strong\u003e Build a smart kitchen safety alarm that triggers a buzzer and sends mobile notifications when LPG gas leaks are detected - protect your home with an affordable IoT solution\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMethane Monitoring for Biogas Plants:\u003c\/strong\u003e Monitor CH4 concentration in biogas digesters and fermentation setups to optimize gas production and ensure safe operating levels\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eHydrogen Leak Alert System:\u003c\/strong\u003e Create a safety system for hydrogen fuel cell labs, battery charging stations, or electrolysis setups that detects H2 leaks and activates exhaust fans automatically\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCarbon Monoxide Safety Monitor:\u003c\/strong\u003e Design a CO detector for enclosed spaces like garages, workshops, or generator rooms - sound an alarm when CO levels exceed safe thresholds\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSmart Home Gas Safety with IoT:\u003c\/strong\u003e Combine with ESP32 or ESP8266 and Blynk\/MQTT to build a Wi-Fi-connected gas monitoring dashboard with real-time alerts on your smartphone\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMulti-Sensor Air Quality Station:\u003c\/strong\u003e Pair the MQ-5 with MQ-135 (air quality), DHT22 (temperature\/humidity), and a dust sensor to create a comprehensive environmental monitoring station\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003eIndustrial Pipeline\u003c\/strong\u003e\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eMQ-5 Gas Sensor Module - Detect H2, LPG, CH4 \u0026amp; CO with Precision\u003c\/h2\u003e\u003cp\u003eBuild reliable gas detection and safety monitoring systems with the MQ-5 Gas Sensor Module from Tech Depot India, Bengaluru. This versatile semiconductor sensor accurately detects Hydrogen (H2), Liquefied Petroleum Gas (LPG), Methane (CH4), and Carbon Monoxide (CO), making it an essential component for home safety alarms, industrial leak detection, and IoT-based air quality projects. Features both analog and digital outputs for seamless integration with Arduino, ESP32, Raspberry Pi, and other microcontrollers.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-5 Gas Sensor Module For H2, LPG, CH4, CO Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-5 Gas Sensor Module For H2, LPG, CH4, CO Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746530930945,"sku":"TTD-17329","price":99.75,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/1d6711fae21f1594ab8ce76e89bf7459.png?v=1778106927"},{"product_id":"mq-3-gas-sensor-module-for-benzine-ch4-hexane-lpg-co-detector-module","title":"MQ-3 Gas Sensor Module For Benzine, CH4, Hexane, LPG, CO Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-3 Gas Sensor Module For Benzine, CH4, Hexane, LPG, CO Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSensor Type\u003c\/td\u003e \u003ctd\u003eMQ-3 Semiconductor Gas Sensor (SnO2)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetectable Gases\u003c\/td\u003e \u003ctd\u003eBenzine, Methane (CH4), Hexane, LPG, Carbon Monoxide (CO), Alcohol Vapors\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOutput Type\u003c\/td\u003e \u003ctd\u003eAnalog (AO) + Digital (DO) with adjustable threshold\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOnboard Comparator\u003c\/td\u003e \u003ctd\u003eLM393 with potentiometer for sensitivity adjustment\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetection Range\u003c\/td\u003e \u003ctd\u003e25-500 ppm (varies by target gas)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePreheat Time\u003c\/td\u003e \u003ctd\u003e~20 seconds for stable readings\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDigital Output Indicator\u003c\/td\u003e \u003ctd\u003eLED indicator for threshold trigger\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePower Indicator\u003c\/td\u003e \u003ctd\u003eOnboard power LED\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMounting\u003c\/td\u003e \u003ctd\u003e4 mounting holes for easy installation\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eInterface Pins\u003c\/td\u003e \u003ctd\u003eVCC, GND, AO (Analog Out), DO (Digital Out)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDimensions\u003c\/td\u003e \u003ctd\u003e~32 x 20 mm (compact PCB module)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eArduino, ESP32, ESP8266, Raspberry Pi, STM32, and all 5V microcontrollers\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-3 Gas Sensor Module For Benzine, CH4, Hexane, LPG, CO Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-3 Gas Sensor Module For Benzine, CH4, Hexane, LPG, CO Detector Module\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eMulti-Gas Detection:\u003c\/strong\u003e Sensitive to benzine, methane, hexane, LPG, carbon monoxide, and alcohol vapors - one module covers multiple hazardous gases\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDual Output Modes:\u003c\/strong\u003e Analog output for precise concentration measurement and digital output for simple threshold-based alarms\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAdjustable Sensitivity:\u003c\/strong\u003e Onboard potentiometer lets you fine-tune the digital trigger threshold for your specific application\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePlug-and-Play with Arduino:\u003c\/strong\u003e Simple 4-pin connection (VCC, GND, AO, DO) - read analog values or digital HIGH\/LOW with minimal code\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eVisual Feedback:\u003c\/strong\u003e Onboard LEDs for power status and digital threshold indication make testing and debugging effortless\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eTech Depot India \u0026amp; Long-Lasting:\u003c\/strong\u003e SnO2 sensing element offers excellent stability and long operational life with proper use\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eGas Leak Alarm System:\u003c\/strong\u003e Build a home or kitchen safety system that triggers a buzzer and sends alerts when LPG or methane leaks are detected\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eBreathalyzer \/ Alcohol Detector:\u003c\/strong\u003e Create a portable alcohol vapor detection device for educational demonstrations or personal safety projects\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIoT Air Quality Monitor:\u003c\/strong\u003e Pair with ESP32 or ESP8266 to build a Wi-Fi-connected gas monitoring dashboard with cloud logging and mobile notifications\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIndustrial Safety System:\u003c\/strong\u003e Deploy in workshops, labs, or factories to continuously monitor for hazardous benzine, hexane, or CO concentrations\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSmart Ventilation Controller:\u003c\/strong\u003e Automatically activate exhaust fans or ventilation systems when gas concentration exceeds a safe threshold\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMulti-Sensor Environmental Station:\u003c\/strong\u003e Combine with temperature, humidity, and particulate sensors for a comprehensive air quality monitoring station\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRobotics \u0026amp; Autonomous Vehicles:\u003c\/strong\u003e Equip robots with gas-sensing capabilities for hazardous environment exploration and mapping\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLearning \u0026amp; Education:\u003c\/strong\u003e Perfect for students learning about analog sensors, ADC conversion, threshold detection, and embedded systems programming\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eMQ-3 Gas Sensor Module - Detect Benzine, CH4, Hexane, LPG \u0026amp; CO\u003c\/h2\u003e\u003cp\u003eReliable multi-gas detection module from Tech Depot India, Bengaluru. The MQ-3 sensor module provides accurate analog and digital output for detecting a wide range of combustible and hazardous gases - ideal for safety systems, air quality monitors, and IoT projects.\u003c\/p\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003cp\u003eThe MQ-3 module uses a tin dioxide (SnO2) semiconductor sensing element. In clean air, SnO2 has high electrical resistance. When target gas molecules come in contact with the heated sensing surface, they reduce the resistance proportionally to the gas concentration. The onboard LM393 comparator converts this into a clean digital signal (DO pin) based on the potentiometer-set threshold, while the raw analog voltage (AO pin) provides continuous concentration data for precise measurement and data logging.\u003c\/p\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e1 x MQ-3 Gas Sensor Module (fully assembled with header pins)\u003c\/li\u003e \u003cli\u003eDocumentation and technical support access\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-3 Gas Sensor Module For Benzine, CH4, Hexane, LPG, CO Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-3 Gas Sensor Module For Benzine, CH4, Hexane, LPG, CO Detector Module Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746536075521,"sku":"TTD-17413","price":132.05,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/97a5df5d9d5a7de1096e1d6da266dde0.jpg?v=1778107048"},{"product_id":"mq-135-gas-sensor-module-for-nh3-alcohol-benzene-smoke-co2-detector-module","title":"MQ-135 Gas Sensor Module For NH3, Alcohol, benzene, smoke , CO2 Detector Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-135 Gas Sensor Module For NH3, Alcohol, benzene, smoke , CO2 Detector Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSensor Type\u003c\/td\u003e \u003ctd\u003eMQ-135 Semiconductor Gas Sensor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetectable Gases\u003c\/td\u003e \u003ctd\u003eNH3, Alcohol, Benzene, Smoke, CO2, NOx\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOutput Type\u003c\/td\u003e \u003ctd\u003eAnalog (A0) \u0026amp; Digital (D0)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAnalog Output Voltage\u003c\/td\u003e \u003ctd\u003e0V - 5V (proportional to gas concentration)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDigital Output\u003c\/td\u003e \u003ctd\u003eTTL level (High\/Low, threshold adjustable via potentiometer)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetection Range\u003c\/td\u003e \u003ctd\u003e10 - 1000 ppm (varies by gas type)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePreheat Time\u003c\/td\u003e \u003ctd\u003e~20 seconds (recommended 24-48 hours for initial burn-in calibration)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHeater Power Consumption\u003c\/td\u003e \u003ctd\u003e\u0026lt;= 800 mW\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSensitivity Adjustment\u003c\/td\u003e \u003ctd\u003eOnboard potentiometer for digital threshold tuning\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eIndicator LEDs\u003c\/td\u003e \u003ctd\u003ePower LED \u0026amp; Digital Output Trigger LED\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eComparator IC\u003c\/td\u003e \u003ctd\u003eLM393 dual comparator\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eModule Dimensions\u003c\/td\u003e \u003ctd\u003e~32 mm x 20 mm x 22 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePin Configuration\u003c\/td\u003e \u003ctd\u003eVCC, GND, A0 (Analog Out), D0 (Digital Out)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-20 degreesC to 50 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Humidity\u003c\/td\u003e \u003ctd\u003e\u0026lt;= 95% RH (non-condensing)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eArduino, ESP8266, ESP32, Raspberry Pi, STM32, PIC, and other MCUs\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-135 Gas Sensor Module For NH3, Alcohol, benzene, smoke , CO2 Detector Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-135 Gas Sensor Module For NH3, Alcohol, benzene, smoke , CO2 Detector Module\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eMulti-Gas Detection:\u003c\/strong\u003e Sensitive to NH3, alcohol, benzene, smoke, CO2, and other harmful gases - one module for broad air quality monitoring.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDual Output Modes:\u003c\/strong\u003e Analog output (A0) provides continuous voltage proportional to gas concentration; digital output (D0) gives a clean HIGH\/LOW signal when the adjustable threshold is crossed.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOnboard Potentiometer:\u003c\/strong\u003e Easily fine-tune the digital trigger sensitivity without any additional components - just turn the trimpot with a screwdriver.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLM393 Comparator:\u003c\/strong\u003e Reliable and fast signal conditioning ensures stable digital output with minimal noise.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eStatus LEDs:\u003c\/strong\u003e Power indicator confirms the module is energized; a second LED lights up when the digital threshold is triggered for instant visual feedback.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSimple 4-Pin Interface:\u003c\/strong\u003e VCC, GND, A0, and D0 - connect directly to any microcontroller's analog and digital input pins with no external circuitry required.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFast Response \u0026amp; Recovery:\u003c\/strong\u003e Quick detection response time and reasonable recovery time allow near-real-time gas concentration tracking.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works seamlessly with 5V logic (Arduino Uno, Mega, Nano) and can be interfaced with 3.3V boards (ESP32, ESP8266) using a voltage divider on the analog output.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCompact \u0026amp; Breadboard-Friendly:\u003c\/strong\u003e Small form factor with standard 2.54 mm pin headers fits directly into breadboards and prototyping setups.\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eIndoor Air Quality Monitor:\u003c\/strong\u003e Build an IoT air quality station using Arduino or ESP32 that measures harmful gas levels in your home, office, or classroom and displays readings on an LCD or sends alerts to your phone via Blynk or MQTT.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSmart Smoke \u0026amp; Gas Alarm:\u003c\/strong\u003e Create a safety alarm system that triggers a buzzer, sends SMS\/email notifications, or activates an exhaust fan when dangerous gas concentrations like smoke\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eMQ-135 Gas Sensor Module - NH3, Alcohol, Benzene, Smoke \u0026amp; CO2 Detector\u003c\/h2\u003e\u003cp\u003eDetect hazardous gases and monitor air quality with the MQ-135 Gas Sensor Module from Tech Depot India, Bengaluru. This versatile sensor responds to ammonia (NH3), alcohol vapors, benzene, smoke, and carbon dioxide (CO2), making it ideal for environmental monitoring, safety systems, and IoT-based air quality projects. Features both analog and digital outputs for flexible integration with Arduino, ESP32, Raspberry Pi, and other microcontrollers.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-135 Gas Sensor Module For NH3, Alcohol, benzene, smoke , CO2 Detector Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-135 Gas Sensor Module For NH3, Alcohol, benzene, smoke , CO2 Detector Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746552426753,"sku":"TTD-17694","price":107.35,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/6f11be33ee2cca9c6afcbd07fdbda453.jpg?v=1778107422"},{"product_id":"mq-135-gas-sensor","title":"MQ-135 GAS SENSOR","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-135 GAS SENSOR\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSensor Model\u003c\/td\u003e \u003ctd\u003eMQ-135\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSensor Type\u003c\/td\u003e \u003ctd\u003eSemiconductor (SnO2) Gas Sensor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetectable Gases\u003c\/td\u003e \u003ctd\u003eNH3, NOx, CO2, Alcohol, Benzene, Smoke\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHeater Voltage\u003c\/td\u003e \u003ctd\u003e5V AC\/DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHeater Power Consumption\u003c\/td\u003e \u003ctd\u003e\u0026lt;= 950 mW\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eLoad Resistance\u003c\/td\u003e \u003ctd\u003eAdjustable (recommended 10 KOhm - 47 KOhm)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSensing Resistance Range\u003c\/td\u003e \u003ctd\u003e2 KOhm - 20 KOhm (in 100 ppm NH3)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetection Concentration Range\u003c\/td\u003e \u003ctd\u003e10 ppm - 1000 ppm (varies by gas)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOutput Type\u003c\/td\u003e \u003ctd\u003eAnalog (voltage proportional to gas concentration)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePreheat Time\u003c\/td\u003e \u003ctd\u003e24-48 hours (initial); ~2-5 minutes (subsequent use)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-20 degreesC to +50 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Humidity\u003c\/td\u003e \u003ctd\u003e\u0026lt;= 95% RH (non-condensing)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePin Configuration\u003c\/td\u003e \u003ctd\u003e6 pins - H (Heater) x 2, A (Signal) x 2, B (Signal) x 2\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSensor Dimensions\u003c\/td\u003e \u003ctd\u003e~18 mm (diameter) x 21 mm (height) (standard TO-5 package)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eArduino, ESP32, ESP8266, Raspberry Pi (via ADC), STM32, PIC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal \/ Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-135 GAS SENSOR?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-135 GAS SENSOR\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eMulti-Gas Detection:\u003c\/strong\u003e Senses a broad spectrum of harmful gases including ammonia, carbon dioxide, benzene, alcohol, nitrogen oxides, and smoke in a single compact sensor.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSimple Analog Output:\u003c\/strong\u003e Provides a straightforward analog voltage output that increases with gas concentration - easily read by any microcontroller's ADC pin without complex communication protocols.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eHigh Sensitivity \u0026amp; Fast Response:\u003c\/strong\u003e The tin dioxide (SnO2) sensing element offers rapid response and recovery times, enabling real-time air quality monitoring with reliable detection accuracy.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide Detection Range:\u003c\/strong\u003e Capable of detecting gas concentrations from 10 ppm to 1000 ppm, suitable for both indoor air quality monitoring and industrial hazard detection.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLow Cost, High Value:\u003c\/strong\u003e One of the most affordable and widely documented gas sensors available - backed by extensive community libraries, tutorials, and reference designs.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eUniversal Microcontroller Compatibility:\u003c\/strong\u003e Works seamlessly with Arduino Uno\/Nano\/Mega, ESP32, ESP8266, Raspberry Pi (with external ADC like ADS1115), STM32, and virtually any 5V-compatible development board.\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eIndoor Air Quality Monitor:\u003c\/strong\u003e Build a real-time air quality index (AQI) display using the MQ-135 with an Arduino and OLED\/LCD screen. Monitor CO2, ammonia, and smoke levels in your home, office, or classroom and trigger alerts when air quality degrades.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSmart Ventilation System:\u003c\/strong\u003e Integrate the MQ-135 with a\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eMQ-135 Gas Sensor - Air Quality Detection for NH3, NOx, CO2, Benzene \u0026amp; Smoke\u003c\/h2\u003e\u003cp\u003eMonitor air quality with precision using the MQ-135 Gas Sensor from Tech Depot India, Bengaluru. This versatile semiconductor gas sensor detects ammonia (NH3), nitrogen oxides (NOx), carbon dioxide (CO2), benzene, alcohol, and smoke - making it ideal for air quality monitoring systems, pollution detection projects, and smart home automation. Fast shipping across India with full technical support.\u003c\/p\u003e\u003ch2\u003eHow the MQ-135 Works\u003c\/h2\u003e\u003cp\u003eThe MQ-135 uses a tin dioxide (SnO2) semiconductor sensing element. In clean air, SnO2 has a relatively high electrical resistance. When target gases come into contact with the heated sensing surface, they react with adsorbed oxygen molecules, reducing the resistance of the SnO2 layer. This change in resistance is converted into an analog voltage signal through a simple voltage divider circuit with a load resistor. The higher the gas concentration, the lower the sensor resistance, and the higher the output voltage - which your microcontroller reads via an analog-to-digital converter (ADC) pin. A built-in heater coil maintains the sensing element at its optimal operating temperature (~200-300 degreesC) for consistent and accurate readings.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-135 GAS SENSOR today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-135 GAS SENSOR Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746570612993,"sku":"TTD-17970","price":424.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/dd3a57bf3308cbf4b399dcbeb28b512a.jpg?v=1778107802"},{"product_id":"mq-3-alcohol-detector-gas-sensor-module","title":"MQ-3 Alcohol Detector Gas Sensor Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eMQ-3 Alcohol Detector Gas Sensor Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003eDetect alcohol vapors and ethanol concentrations with the MQ-3 Gas Sensor Module - a reliable and affordable solution for breathalyzer projects, safety systems, and air quality monitoring. Available at Tech Depot India, Bengaluru, with fast shipping and full technical support.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSensor Type\u003c\/td\u003e \u003ctd\u003eMQ-3 Semiconductor Gas Sensor (SnO2)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eTarget Gas\u003c\/td\u003e \u003ctd\u003eAlcohol (Ethanol), with sensitivity to benzine, methane, LPG, and hexane\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetection Range\u003c\/td\u003e \u003ctd\u003e0.04 mg\/L - 4 mg\/L Alcohol Concentration\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHeater Voltage\u003c\/td\u003e \u003ctd\u003e5V AC\/DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHeater Power Consumption\u003c\/td\u003e \u003ctd\u003e\u0026lt;= 750 mW\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOutput Type\u003c\/td\u003e \u003ctd\u003eAnalog (A0) and Digital (D0)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDigital Output\u003c\/td\u003e \u003ctd\u003eTTL level with onboard comparator and adjustable potentiometer\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePreheat Time\u003c\/td\u003e \u003ctd\u003e~20 seconds (recommended 24-48 hours for first use calibration)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSensitivity Adjustment\u003c\/td\u003e \u003ctd\u003eOnboard trimmer potentiometer for digital threshold tuning\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eIndicator LEDs\u003c\/td\u003e \u003ctd\u003ePower LED and Digital Output Trigger LED\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-10 degreesC to 50 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Humidity\u003c\/td\u003e \u003ctd\u003e\u0026lt;= 95% RH (non-condensing)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBoard Dimensions\u003c\/td\u003e \u003ctd\u003e~32 mm x 20 mm (compact breakout module)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMounting\u003c\/td\u003e \u003ctd\u003eM3 mounting hole for secure installation\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eInterface Pins\u003c\/td\u003e \u003ctd\u003eVCC, GND, A0 (Analog Out), D0 (Digital Out)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatible Platforms\u003c\/td\u003e \u003ctd\u003eArduino, ESP32, ESP8266, Raspberry Pi (with ADC), STM32, PIC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic MQ-3 Sensor Element\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ-3 Alcohol Detector Gas Sensor Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ-3 Alcohol Detector Gas Sensor Module\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eHigh Sensitivity to Alcohol Vapors:\u003c\/strong\u003e The MQ-3 uses a tin dioxide (SnO2) sensing element that exhibits a significant change in conductivity when exposed to alcohol, providing reliable detection even at low concentrations.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDual Output Modes:\u003c\/strong\u003e Analog output (A0) delivers a variable voltage proportional to gas concentration for precise readings, while the digital output (D0) provides a simple HIGH\/LOW trigger based on the adjustable threshold - ideal for alarm-based systems.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOnboard Potentiometer:\u003c\/strong\u003e Fine-tune the digital trigger threshold without any external components, allowing quick calibration for different sensitivity requirements and environments.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFast Response \u0026amp; Recovery:\u003c\/strong\u003e Rapid detection response time with quick recovery, making it suitable for real-time monitoring and repeated measurements.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide Detection Range:\u003c\/strong\u003e Covers alcohol concentrations from 0.04 mg\/L to 4 mg\/L, suitable for everything from trace detection to high-concentration environments.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCompact Breakout Board:\u003c\/strong\u003e The sensor comes pre-soldered on a convenient PCB module with clearly labeled pins, indicator LEDs, and a mounting hole for easy integration into projects and enclosures.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eUniversal Microcontroller Compatibility:\u003c\/strong\u003e Works seamlessly with Arduino Uno\/Nano\/Mega, ESP32, ESP8266, Raspberry Pi (via external ADC like MCP3008), STM32, and virtually any 5V-compatible microcontroller platform.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLow Cost, High Value:\u003c\/strong\u003e An extremely affordable sensor module that delivers dependable performance for prototyping, education, and real-world safety applications.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eComprehensive Documentation:\u003c\/strong\u003e We provide wiring diagrams, sample Arduino code, and calibration guidance to get you started immediately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003cp\u003eThe MQ-3 sensor module operates on the principle of chemiresistance. The core sensing element is a small bead of tin dioxide (SnO2)\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ-3 Alcohol Detector Gas Sensor Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ-3 Alcohol Detector Gas Sensor Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746570678529,"sku":"TTD-17971","price":424.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/bf521bddaabe8aa09486bceb537fee56.jpg?v=1778107803"},{"product_id":"bme-680","title":"BME 680","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eBME 680\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eManufacturer\u003c\/td\u003e \u003ctd\u003eBosch Sensortec\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSensor Type\u003c\/td\u003e \u003ctd\u003e4-in-1 Environmental (Temperature, Humidity, Pressure, Gas\/VOC)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eInterface\u003c\/td\u003e \u003ctd\u003eI2C and SPI\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e1.8V - 3.6V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eTemperature Range\u003c\/td\u003e \u003ctd\u003e-40 degreesC to +85 degreesC (+\/-1.0 degreesC accuracy)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHumidity Range\u003c\/td\u003e \u003ctd\u003e0 - 100% RH (+\/-3% accuracy)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePressure Range\u003c\/td\u003e \u003ctd\u003e300 - 1100 hPa (+\/-0.6 hPa accuracy)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGas Sensor\u003c\/td\u003e \u003ctd\u003eMOX-based VOC detection (IAQ Index)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePackage Size\u003c\/td\u003e \u003ctd\u003e3.0 x 3.0 x 0.93 mm (LGA)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCurrent Consumption\u003c\/td\u003e \u003ctd\u003e~3.7 uA (humidity \u0026amp; temperature), ~12 mA (gas measurement active)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eArduino, ESP32, ESP8266, Raspberry Pi, STM32, and more\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal \/ Authentic Bosch Sensortec\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose BME 680?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of BME 680\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003e4-in-1 Sensing:\u003c\/strong\u003e Measures temperature, humidity, barometric pressure, and gas (VOC) - replacing four separate sensors with one tiny chip.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIndoor Air Quality (IAQ) Index:\u003c\/strong\u003e Built-in MOX gas sensor detects volatile organic compounds for real-time air quality assessment.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eUltra-Low Power:\u003c\/strong\u003e Micro-amp sleep current makes it perfect for battery-powered and wearable applications.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDual Interface:\u003c\/strong\u003e Supports both I2C and SPI communication for flexible integration with any microcontroller platform.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Tiny 3 x 3 mm LGA package fits easily on custom PCBs and breakout boards.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Functions reliably from -40 degreesC to +85 degreesC, suitable for outdoor and industrial environments.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLibrary Support:\u003c\/strong\u003e Extensive Arduino, MicroPython, and CircuitPython libraries available from Bosch (BSEC) and the open-source community.\u003c\/li\u003e \u003cli\u003eReplaces multiple sensors - saves board space, cost, and wiring complexity\u003c\/li\u003e\n\u003cli\u003eIndustry-leading accuracy across all four measurement parameters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eIoT Weather Station:\u003c\/strong\u003e Build a connected weather station that logs temperature, humidity, and barometric pressure to the cloud via ESP32 or Raspberry Pi.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIndoor Air Quality Monitor:\u003c\/strong\u003e Use the VOC gas sensor to track air quality in homes, offices, or classrooms and trigger ventilation alerts.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSmart Home Automation:\u003c\/strong\u003e Integrate with Home Assistant, MQTT, or Blynk to automate HVAC, humidifiers, and air purifiers based on real-time environmental data.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAltitude \u0026amp; Navigation:\u003c\/strong\u003e Leverage the high-precision barometric pressure sensor for drone altitude hold, hiking altimeters, or GPS-assisted navigation.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWearable Health Device:\u003c\/strong\u003e Combine ultra-low power consumption with environmental sensing for wearable devices that monitor personal exposure to pollutants.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAgriculture \u0026amp; Greenhouse Monitoring:\u003c\/strong\u003e Track micro-climate conditions for precision farming, greenhouse control, and crop health optimization.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLearning \u0026amp; Education:\u003c\/strong\u003e Perfect for students exploring sensor interfacing, I2C communication, data logging, and embedded systems fundamentals.\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eBME680 - Environmental Sensor (Temperature, Humidity, Pressure \u0026amp; Gas)\u003c\/h2\u003e\u003cp\u003eThe BME680 from Bosch Sensortec is an all-in-one environmental sensor that measures temperature, humidity, barometric pressure, and volatile organic compound (VOC) gas levels on a single compact breakout. Ideal for IoT, weather stations, indoor air quality monitoring, and smart home projects. Available now at Tech Depot India, Bengaluru, with fast shipping and full technical support.\u003c\/p\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e1 x BME680 sensor module \/ breakout board\u003c\/li\u003e \u003cli\u003eHeader pins (if breakout board variant)\u003c\/li\u003e \u003cli\u003eDocumentation and quick-start wiring guide\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eIs this a genuine Bosch Sensortec BME680?\u003c\/summary\u003e\u003cp\u003eYes, 100% authentic.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is the difference between BME680 and BME280?\u003c\/summary\u003e\u003cp\u003eThe BME280 measures temperature,\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your BME 680 today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy BME 680 Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746574283009,"sku":"TTD-18035","price":8967.6,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/2dcef74928a37856c1d6e6128cea94de.jpg?v=1778107889"},{"product_id":"mq-9-gas-sensor-module","title":"MQ 9 Gas Sensor Module","description":"\u003cp\u003eMQ 9 Gas Sensor Module\u003c\/p\u003e\u003ch2\u003eWhy Choose MQ 9 Gas Sensor Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ 9 Gas Sensor Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ 9 Gas Sensor Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746577232129,"sku":"TTD-18090","price":116.85,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/052b2e68380e1695589a9c54db31d34c.jpg?v=1778107958"},{"product_id":"mq-136-hydrogen-gas-sensor","title":"MQ 136 hydrogen gas sensor","description":"\u003cp\u003eOur team in Bengaluru is available reliable to support your journey from product selection to project completion.\u003c\/p\u003e\u003cp\u003eThe MQ 136 is a semiconductor-based hydrogen gas sensor that detects H2 concentrations in the air with high sensitivity and fast response time, making it ideal for safety monitoring and gas detection applications. Professional engineers and technicians use this sensor in industrial safety systems, hydrogen leak detection, fuel cell monitoring, and environmental control applications where precise hydrogen measurement is critical. This sensor solves the problem of undetected hydrogen leaks in industrial facilities, laboratories, and hydrogen storage systems by providing real-time alerts when dangerous H2 concentrations are reached.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct Type\u003c\/td\u003e \u003ctd\u003eSemiconductor Metal Oxide Gas Sensor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eMQ Series (Winsen Electronics)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSensing Element\u003c\/td\u003e \u003ctd\u003eTin Dioxide (SnO2)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e5V DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eHeating Element Voltage\u003c\/td\u003e \u003ctd\u003e5V AC or DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDetection Range\u003c\/td\u003e \u003ctd\u003e1-1000 ppm (parts per million)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eResponse Time\u003c\/td\u003e \u003ctd\u003eLess than 10 seconds\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-10°C to +50°C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eStorage Temperature\u003c\/td\u003e \u003ctd\u003e-20°C to +70°C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSensor Operating Temperature\u003c\/td\u003e \u003ctd\u003eApproximately 200°C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePin Configuration\u003c\/td\u003e \u003ctd\u003e6-pin ceramic tube package\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOutput Type\u003c\/td\u003e \u003ctd\u003eAnalog voltage signal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eLifespan\u003c\/td\u003e \u003ctd\u003e5+ years under normal operating conditions\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose MQ 136 hydrogen gas sensor?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of MQ 136 hydrogen gas sensor\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eHigh Sensitivity to Hydrogen: Detects hydrogen concentrations from 1-1000 ppm with excellent selectivity and minimal interference from other gases\u003c\/li\u003e \u003cli\u003eFast Response Time: Achieves 90% response within 10 seconds, enabling rapid detection of hydrogen leaks and safety alerts\u003c\/li\u003e \u003cli\u003eLow Power Consumption: Operates efficiently on 5V DC supply with optimized current draw, suitable for battery-powered and IoT applications\u003c\/li\u003e \u003cli\u003eRobust Construction: Ceramic tube housing with durable metal oxide sensing element ensures long operational lifespan of 5+ years\u003c\/li\u003e \u003cli\u003eEasy Integration: Standard 6-pin configuration compatible with microcontroller platforms like Arduino, Raspberry Pi, and industrial PLC systems\u003c\/li\u003e \u003cli\u003eAnalog Output Signal: Linear voltage output proportional to gas concentration enables straightforward calibration and signal processing\u003c\/li\u003e \u003cli\u003eStable Performance: Heating element maintains consistent sensor temperature for reliable readings across varying ambient conditions\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eIndustrial Hydrogen Leak Detection: Monitors hydrogen storage tanks, pipelines, and industrial processes to prevent dangerous gas accumulation in confined spaces\u003c\/li\u003e \u003cli\u003eFuel Cell Vehicle Safety Systems: Detects hydrogen leaks in fuel cell electric vehicles (FCEVs) and hydrogen refueling stations to ensure passenger and technician safety\u003c\/li\u003e \u003cli\u003eLaboratory Gas Monitoring: Used in research facilities and chemical laboratories for continuous hydrogen detection during experiments and synthesis processes\u003c\/li\u003e \u003cli\u003eRenewable Energy Applications: Monitors hydrogen production systems, electrolyzers, and hydrogen storage facilities in green energy infrastructure\u003c\/li\u003e \u003cli\u003eHVAC and Building Safety: Integrated into ventilation systems and safety monitoring networks to detect hydrogen accumulation in commercial and residential buildings\u003c\/li\u003e \u003cli\u003eAerospace and Aviation: Detects hydrogen leaks in aircraft fuel systems and ground support equipment where hydrogen is used as a propellant or fuel source\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eTo set up the MQ 136 hydrogen gas sensor, first identify the six pins on the ceramic tube: the heating element pins (H), signal output pins (A and B), and ground pins (GND). Connect the heating element to a 5V DC power supply through a current-limiting resistor (typically 10-20 ohms), and connect the signal output pin to an analog input pin on your microcontroller. Allow the sensor to warm up for 24-48 hours before taking measurements to achieve stable baseline readings, as the sensing element requires thermal stabilization for accurate hydrogen detection.\u003c\/p\u003e\u003cp\u003eFor accurate hydrogen measurement, you must calibrate the sensor by exposing it to known hydrogen concentrations and recording the corresponding analog voltage outputs. Create a calibration curve by testing at multiple concentration levels (e.g., 10 ppm, 100 ppm, 500 ppm), then use this curve to convert raw sensor readings into actual hydrogen concentrations. Implement software filtering and averaging algorithms in your microcontroller code to smooth out noise and false readings. Set alarm thresholds based on your safety requirements (typically 4% hydrogen concentration is considered the lower explosive limit) and trigger alerts or shutdown procedures when hydrogen levels exceed these thresholds.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe MQ 136 operates on the principle of metal oxide semiconductor (MOS) sensing technology, where a tin dioxide (SnO2) sensing element changes its electrical resistance in the presence of hydrogen gas. The sensor contains a heating element that maintains the sensing element at an optimal operating temperature of approximately 200°C, ensuring consistent and reliable detection across varying ambient conditions. The output is an analog voltage signal that varies proportionally with hydrogen concentration, allowing microcontroller integration for real-time monitoring and alarm triggering systems.\u003c\/p\u003e\u003cp\u003eWhat distinguishes the MQ 136 is its exceptional sensitivity to hydrogen gas with minimal cross-sensitivity to other gases, making it highly suitable for dedicated H2 detection applications. The sensor features a compact cylindrical design with six pins for easy integration into PCB circuits, operates on a 5V DC power supply with low current consumption, and provides a rapid response time of less than 10 seconds. Its robust construction and long operational lifespan of 5+ years make it a cost-effective solution for continuous hydrogen monitoring in industrial, automotive, and renewable energy applications.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the difference between MQ 136 and other MQ series hydrogen sensors?\u003c\/summary\u003e \u003cp\u003eThe MQ 136 is specifically optimized for hydrogen gas detection with superior selectivity compared to general-purpose sensors like the MQ 2 or MQ 4. While the MQ 2 detects multiple combustible gases (methane, propane, butane), the MQ 136 provides dedicated hydrogen monitoring with minimal cross-sensitivity to other gases, making it ideal for hydrogen-specific applications like fuel cell systems and hydrogen storage facilities.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eHow long does the sensor take to warm up and stabilize?\u003c\/summary\u003e \u003cp\u003eThe MQ 136 requires 24-48 hours of continuous operation to achieve stable baseline readings and accurate hydrogen detection. During the first few hours, the sensor output may fluctuate as the tin dioxide sensing element reaches thermal equilibrium. We recommend running the sensor continuously for at least 48 hours before deploying it in critical safety applications to ensure reliable performance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eCan the MQ 136 detect hydrogen in humid environments?\u003c\/summary\u003e \u003cp\u003eYes, the MQ 136 can operate in humid environments, but humidity levels above 95% relative humidity may slightly affect sensor accuracy and response time. If your application involves high humidity, consider adding a desiccant cartridge or humidity control mechanism near the sensor to maintain optimal operating conditions. The sensor's operating humidity range is typically 30-90% RH for best performance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the expected lifespan of the MQ 136 sensor?\u003c\/summary\u003e \u003cp\u003eUnder normal operating conditions with proper calibration and maintenance, the MQ 136 has an expected lifespan of 5+ years. However, lifespan can be reduced if the sensor is exposed to corrosive gases, extreme temperatures, or contaminated air. Regular calibration checks every 6-12 months help ensure continued accuracy and allow early detection of sensor degradation.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eHow do I calibrate the MQ 136 for accurate hydrogen measurement?\u003c\/summary\u003e \u003cp\u003eCalibration involves exposing the sensor to known hydrogen concentrations and recording the analog voltage outputs. Use a gas mixing system or hydrogen calibration gas bottles (available in 10 ppm, 100 ppm, and 500 ppm concentrations) to create reference points. Plot these values to create a calibration curve, then use this curve in your microcontroller software to convert raw analog readings into actual hydrogen concentrations in ppm.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your MQ 136 hydrogen gas sensor today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy MQ 136 hydrogen gas sensor Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746577297665,"sku":"TTD-18091","price":1045.95,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/72b00cca394f7191e40385ba4fb7b4e2.jpg?v=1778107959"},{"product_id":"7semi-co2-temperature-humidity-sensor-probe-400-5000-ppm-i2c","title":"7Semi CO2 Temperature Humidity Sensor Probe 400–5000 PPM I2C","description":"\u003cp\u003eA 3-in-1 probe that reads CO2 (400–5000 ppm), temperature and relative humidity from a single factory-calibrated sensor over I2C. A waterproof metal housing on a 1-metre cable lets the sensing tip sit in a duct or room space while the rest of the circuit stays protected.\u003c\/p\u003e\u003cul\u003e \u003cli\u003eCO2 range: 400–5000 ppm, plus temp and RH\u003c\/li\u003e \u003cli\u003eFactory-calibrated digital output over I2C\u003c\/li\u003e \u003cli\u003eWaterproof metal probe housing, 1m cable\u003c\/li\u003e \u003cli\u003eSuited to HVAC and indoor air-quality builds\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003eFits neatly into a classroom air-quality monitor, a smart-building automation project, or a greenhouse controller where CO2 levels matter as much as temperature and humidity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCountry of origin:\u003c\/strong\u003e China\u003c\/p\u003e\u003ch2\u003eWhy Choose 7Semi CO2 Temperature Humidity Sensor Probe 400–5000 PPM I2C?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your 7Semi CO2 Temperature Humidity Sensor Probe 400–5000 PPM I2C today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy 7Semi CO2 Temperature Humidity Sensor Probe 400–5000 PPM I2C Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"7Semi","offers":[{"title":"Default Title","offer_id":49831474692353,"sku":"TTD-RC-7SEMICO2TEMPERATUREHUMIDITYSENSORPROBE4005000PPMI2C","price":3861.75,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/7Semi_CO2_Temperature_Humidity_Sensor_Probe_400_5000_PPM_I2C.png?v=1784048201"},{"product_id":"7semi-bme680-air-quality-temperature-humidity-pressure-sensor-nano-module","title":"7Semi BME680 Air Quality Temperature Humidity Pressure Sensor Nano Module","description":"\u003cp\u003eA 4-in-1 environmental sensor module built on the Bosch BME680, reading temperature, humidity, barometric pressure and gas-based air quality from one nano-sized breakout with a 2.54mm pitch header. Its compact 2.54mm pitch header keeps the footprint small enough for wearable and portable environmental-sensing builds.\u003c\/p\u003e\u003cul\u003e \u003cli\u003eBosch BME680: temp, humidity, pressure, gas\/VOC\u003c\/li\u003e \u003cli\u003eNano form factor, 2.54mm pitch header\u003c\/li\u003e \u003cli\u003eSingle-sensor 4-in-1 environmental readout\u003c\/li\u003e \u003cli\u003eSuited to indoor air-quality projects\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003eA strong fit for a smart-home air-quality monitor, a weather station with altitude readout, or an industrial environment logger — one sensor covering four measurements most projects would otherwise need separate modules for.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCountry of origin:\u003c\/strong\u003e China\u003c\/p\u003e\u003ch2\u003eWhy Choose 7Semi BME680 Air Quality Temperature Humidity Pressure Sensor Nano Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your 7Semi BME680 Air Quality Temperature Humidity Pressure Sensor Nano Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy 7Semi BME680 Air Quality Temperature Humidity Pressure Sensor Nano Module Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"7Semi","offers":[{"title":"Default Title","offer_id":49831527940353,"sku":"TTD-RC-7SEMIBME680AIRQUALITYTEMPERATUREHUMIDITYPRESSURESENSORNANOMODULE","price":812.25,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/7Semi_BME680_Air_Quality_Temperature_Humidity_Pressure_Sensor_Nano_Module_-_Sensors_-_Temperature_Sensors_-_Robocraze.png?v=1784048668"},{"product_id":"7semi-sgp41-1-27mm-pitch-voc-and-nox-sensor-breakout-for-indoor-air-quality","title":"7Semi SGP41 1.27mm Pitch VOC and NOx Sensor Breakout for Indoor Air Quality","description":"\u003cp\u003eAn indoor air-quality sensor breakout built on the Sensirion SGP41, detecting volatile organic compounds (VOC) and nitrogen oxide (NOx) gases over a simple 3.3V I2C interface. A Qwiic connector speeds up wiring for cable-based projects. Fast response time and excellent long-term stability keep readings dependable for continuous indoor air-quality sensing over months of use.\u003c\/p\u003e\u003cul\u003e \u003cli\u003eSensirion SGP41: VOC and NOx detection\u003c\/li\u003e \u003cli\u003e3.3V operation, I2C interface\u003c\/li\u003e \u003cli\u003eQwiic connector for quick hookup\u003c\/li\u003e \u003cli\u003eLow power, fast response time\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003eFits naturally into a smart air purifier controller, an HVAC automation system, or a standalone indoor air-quality monitor tracking pollutants a basic gas sensor would miss.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCountry of origin:\u003c\/strong\u003e China\u003c\/p\u003e\u003ch2\u003eWhy Choose 7Semi SGP41 1.27mm Pitch VOC and NOx Sensor Breakout for Indoor Air Quality?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your 7Semi SGP41 1.27mm Pitch VOC and NOx Sensor Breakout for Indoor Air Quality today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy 7Semi SGP41 1.27mm Pitch VOC and NOx Sensor Breakout for Indoor Air Quality Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/all\"\u003eour full catalog\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"7Semi","offers":[{"title":"Default Title","offer_id":49831539409153,"sku":"TTD-RC-7SEMISGP41127MMPITCHVOCANDNOXSENSORBREAKOUTFORINDOORAIRQUALITY","price":923.4,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/7Semi_SGP41_1.27mm_Pitch_VOC_and_NOx_Sensor_Breakout_for_Indoor_Air_Quality.png?v=1784048743"},{"product_id":"7semi-scd41-co2-mini-temperature-and-humidity-sensor-breakout-module","title":"7Semi SCD41 CO2 Mini Temperature and Humidity Sensor Breakout Module","description":"\u003cp\u003eA compact, factory-calibrated CO2 sensor breakout that also reads temperature and humidity, aimed at plug-and-play indoor air-quality projects without a separate calibration step. 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