{"product_id":"dht-11-module","title":"DHT 11 Module","description":"\u003cmeta name=\"description\" content=\"Buy DHT 11 Module online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eDHT11 Temperature \u0026amp; Humidity Sensor Module\u003c\/h1\u003e\n\u003cp\u003eAccurately measure ambient temperature and relative humidity with the DHT11 sensor module - a reliable, easy-to-use digital sensor perfect for weather stations, home automation, and IoT projects. Available at The Tech Depot, Bengaluru, with fast shipping and full technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eDHT11 Digital Temperature \u0026amp; Humidity Sensor (Pre-mounted on PCB Module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V - 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e20% - 90% RH (+\/-5% RH accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e0 degreesC - 50 degreesC (+\/-2 degreesC accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1% RH \/ 1 degreesC (8-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003eSingle-bus digital signal (proprietary one-wire protocol)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003e1 reading per second (1 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Pins\u003c\/td\u003e\n\u003ctd\u003e3 pins - VCC, DATA, GND (on-board pull-up resistor \u0026amp; power indicator LED)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensing Element\u003c\/td\u003e\n\u003ctd\u003eResistive-type humidity sensor + NTC thermistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e6-15 seconds (humidity), 1-2 seconds (temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 32 mm x 14 mm x 8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArduino, ESP8266, ESP32, Raspberry Pi, STM32, PIC, and all major microcontrollers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLibrary Support\u003c\/td\u003e\n\u003ctd\u003eAdafruit DHT Library, SimpleDHT, DHT.h (Arduino IDE), Adafruit_CircuitPython_DHT (Python)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady-to-Use Module:\u003c\/strong\u003e On-board 4.7kOhm pull-up resistor and power LED - no extra components needed; connect directly to your microcontroller with just 3 wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Digital Interface:\u003c\/strong\u003e Single-wire data protocol requires only one GPIO pin, freeing up I\/O for other sensors and peripherals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates from 3.3V to 5.5V, making it natively compatible with both 3.3V boards (ESP8266, ESP32, Raspberry Pi) and 5V boards (Arduino Uno, Mega, Nano).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Draws minimal current during standby and measurement, ideal for battery-powered and solar-powered applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Calibrated:\u003c\/strong\u003e Each sensor is individually calibrated at the factory with calibration coefficients stored in OTP memory - no manual calibration required out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact PCB Design:\u003c\/strong\u003e Mounting holes and standard 2.54mm pin headers allow easy breadboard prototyping or permanent PCB integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Library \u0026amp; Community Support:\u003c\/strong\u003e Thousands of tutorials, example codes, and community projects available for Arduino IDE, MicroPython, CircuitPython, and PlatformIO.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Long-Term Stability:\u003c\/strong\u003e Proven resistive sensing element offers consistent readings over extended deployment periods with minimal drift.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the DHT11 Module from The Tech Depot?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic DHT11 sensors sourced directly from authorized distributors - no clones or counterfeits.\u003c\/li\u003e\n\u003cli\u003eEvery module is inspected and tested before dispatch to ensure proper functionality.\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse; same-day delivery available in Bengaluru.\u003c\/li\u003e\n\u003cli\u003eDedicated technical support team to help you with wiring, code, and troubleshooting via email and WhatsApp 24\/7.\u003c\/li\u003e\n\u003cli\u003eBacked by a 7-day warranty on manufacturing defects covering component defects and failures.\u003c\/li\u003e\n\u003cli\u003eCompetitive pricing with bulk\/wholesale discounts for educators, labs, and businesses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe DHT11 module uses a resistive-type polymer humidity sensor and an NTC (Negative Temperature Coefficient) thermistor to measure relative humidity and ambient temperature respectively. When your microcontroller sends a start signal on the DATA pin, the DHT11 responds with a 40-bit data frame containing 8-bit integer humidity, 8-bit decimal humidity, 8-bit integer temperature, 8-bit decimal temperature, and an 8-bit checksum for error verification. The on-board pull-up resistor ensures a stable HIGH state on the data line when idle. Popular libraries like the Adafruit DHT library handle the precise timing and parsing automatically, letting you read temperature and humidity values with just a few lines of code.\u003c\/p\u003e\n\n\u003ch2\u003ePin Configuration (Module Version)\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eLabel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eVCC (+)\u003c\/td\u003e\n\u003ctd\u003ePower supply input: 3.3V - 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy DHT 11 Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eDHT 11 Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eDHT 11 Module\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eDHT 11 Module\u003c\/strong\u003e at the best price in India? The Tech Depot 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","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746575921409,"sku":"TTD-18065","price":242.74,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/fe8c5cc660ddca09a8b215452b66cc0f.jpg?v=1778107924","url":"https:\/\/techdepot.in\/products\/dht-11-module","provider":"Tech Depot India","version":"1.0","type":"link"}