{"product_id":"dht22-humidity-and-temperature-sensor-module-am2302","title":"DHT22 Humidity and Temperature Sensor Module (AM2302)","description":"\u003cmeta name=\"description\" content=\"Buy DHT22 Humidity and Temperature Sensor Module AM2302 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```html\n\u003ch1\u003eDHT22 Humidity and Temperature Sensor Module (AM2302)\u003c\/h1\u003e\n\u003cp\u003eAccurately measure ambient temperature and relative humidity with the DHT22 (AM2302) sensor module - a high-precision, digital output sensor trusted by engineers, hobbyists, and IoT developers worldwide. Available now from The Tech Depot, Bengaluru, with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Model\u003c\/td\u003e\n\u003ctd\u003eDHT22 \/ AM2302\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\u003e0% - 100% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-2% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-40 degreesC to +80 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.5 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.1% RH \/ 0.1 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003eDigital single-bus (proprietary protocol)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003eOnce every 2 seconds (0.5 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eCapacitive humidity sensor + NTC thermistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Configuration\u003c\/td\u003e\n\u003ctd\u003eVCC, Data, GND (3-pin breakout with onboard pull-up resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Module)\u003c\/td\u003e\n\u003ctd\u003eApprox. 28mm x 12mm x 10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eBreadboard-compatible header pins\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 more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic AM2302 sensor\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\u003eHigh Precision:\u003c\/strong\u003e +\/-0.5 degreesC temperature accuracy and +\/-2% RH humidity accuracy - significantly better than the DHT11, making it ideal for applications where reliable readings matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Measurement Range:\u003c\/strong\u003e Reads temperatures from -40 degreesC to +80 degreesC and humidity from 0% to 100% RH, covering virtually any indoor or outdoor environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Output:\u003c\/strong\u003e Single-wire digital communication eliminates the need for analog-to-digital conversion and reduces wiring complexity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Format with Pull-Up Resistor:\u003c\/strong\u003e Comes pre-mounted on a breakout PCB with an onboard 4.7kOhm pull-up resistor, so you can connect directly to your microcontroller without additional components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Draws minimal current during standby and measurement, making it well-suited for battery-powered and solar-powered projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Microcontroller Compatibility:\u003c\/strong\u003e Works seamlessly with Arduino (Uno, Mega, Nano), ESP8266 (NodeMCU), ESP32, Raspberry Pi, STM32, and virtually any platform with a digital GPIO pin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Library Support:\u003c\/strong\u003e Supported by popular libraries including Adafruit DHT, DHTlib, and ESPHome, with countless tutorials and example code available online.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Stability:\u003c\/strong\u003e Factory-calibrated with calibration coefficients stored in onboard OTP memory, ensuring consistent readings over extended use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the DHT22 Over the DHT11?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDHT11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDHT22 (AM2302)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e0 degreesC to 50 degreesC\u003c\/td\u003e\n\u003ctd\u003e-40 degreesC to +80 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-2 degreesC\u003c\/td\u003e\n\u003ctd\u003e+\/-0.5 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e20% - 80% RH\u003c\/td\u003e\n\u003ctd\u003e0% - 100% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-5% RH\u003c\/td\u003e\n\u003ctd\u003e+\/-2% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1 degreesC \/ 1% RH\u003c\/td\u003e\n\u003ctd\u003e0.1 degreesC \/ 0.1% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eIf your project demands better accuracy, finer resolution, or a wider operating range, the DHT22 is the clear upgrade.\u003c\/p\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe DHT22 module combines a capacitive polymer humidity sensor with an NTC (Negative Temperature Coefficient) thermistor inside a single housing. An integrated microcontroller reads both sensors, performs calibration compensation using factory-stored coefficients, and transmits the data as a 40-bit digital signal over a single data line. Your host microcontroller sends a start pulse, then the DHT22 responds with 16 bits of humidity data, 16 bits of temperature data, and an 8-bit checksum for error detection - all without requiring an ADC or complex wiring.\u003c\/p\u003e\n\n\u003ch2\u003eTypical Wiring (Arduino Example)\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eDHT\u003c\/strong\u003e\u003c\/td\u003e\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 DHT22 Humidity and Temperature Sensor Module (AM2302) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eDHT22 Humidity and Temperature Sensor Module (AM2302)\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\u003eDHT22 Humidity and Temperature Sensor Module (AM2302)\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\u003eDHT22 Humidity and Temperature Sensor Module (AM2302)\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":48746549870849,"sku":"TTD-17654","price":183.38,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/f437201320b0990fafb127d173432d88.jpg?v=1778107372","url":"https:\/\/techdepot.in\/products\/dht22-humidity-and-temperature-sensor-module-am2302","provider":"Tech Depot India","version":"1.0","type":"link"}