{"product_id":"dht22-am2302-digital-temperature-and-humidity-sensor-module-temperature-humidity-monitor-practical-replacement-for-sht11-sht15","title":"DHT22 \/ AM2302 Digital Temperature and Humidity Sensor Module – Temperature \u0026 Humidity Monitor, Practical Replacement for SHT11\/SHT15","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThis module integrates the DHT22 (also known as AM2302) digital temperature and humidity sensor in a convenient package for microcontroller projects. It measures ambient temperature and relative humidity and outputs the data as a calibrated digital signal, eliminating the need for complex analog circuitry. The sensor is factory‑calibrated and communicates over a single digital data line using a simple proprietary protocol supported by many libraries (e.g., Arduino, ESP32, Raspberry Pi).\u003c\/p\u003e\n\u003cp\u003eCompared with older SHT11\/SHT15 sensors, the DHT22 offers similar practical performance for many hobbyist and light industrial applications at significantly lower cost and with very simple wiring. It is suitable for long‑term indoor monitoring where moderate sampling rates and good accuracy are sufficient.\u003c\/p\u003e\n\u003ch2 id=\"ideal-uses\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eIdeal Uses\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eHome and office\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etemperature and humidity monitoring\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eDIY\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eweather stations\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand indoor climate dashboards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eHVAC and ventilation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrol based on real‑time humidity and temperature.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eGreenhouse, terrarium, and storage\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eenvironmental monitoring\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eIoT nodes that periodically report environmental conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"compatibility\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eWorks with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eArduino, ESP8266, ESP32, STM32, Raspberry Pi\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand most other microcontrollers or SBCs.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eUses a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esingle‑wire digital interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(data pin plus power and ground), widely supported by ready‑made libraries.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eTypically powered at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3.3 V or 5 V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(check your specific module; many breakout boards are 3.3–5 V compatible).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"key-features\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eMeasures\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003erelative humidity\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etemperature\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a digital calibrated output.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eGood accuracy for many applications:\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eHumidity: typically within a few percent RH (e.g., around ±2–5%RH under normal conditions).\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eTemperature: typically within around ±0.5–1 °C over much of its operating range.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\n\u003cstrong\u003eSingle‑bus digital communication\u003c\/strong\u003e, reducing pin count and wiring complexity.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eLow sampling rate (commonly about once every 2 seconds), well suited to environmental monitoring.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eFactory‑calibrated with internal signal processing, minimizing the need for user‑side calibration.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003ePlastic housing with vents for airflow, easy to mount in enclosures or panels.\u003c\/li\u003e\n\u003cli id=\"technical-specs-typical-moduledependent\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eTechnical Specs (Typical, Module‑Dependent)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eExact values depend on the specific DHT22\/AM2302 module revision and manufacturer; always check your datasheet:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eSupply Voltage: commonly\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3.3–6 V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(many modules designed around 3.3–5 V).\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eCurrent Consumption: low, suitable for low‑power and battery‑assisted applications.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eHumidity Range: approximately\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0–100%RH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(non‑condensing).\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eTemperature Range: approximately\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e−40 °C to +80 °C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(practical accuracy best in a narrower band).\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eInterface:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esingle digital data line\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplus VCC and GND.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eSampling Rate: about\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.5 Hz\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(one reading every 2 seconds).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e1 × DHT22 \/ AM2302 Digital Temperature and Humidity Sensor Module (often mounted on a small PCB with pins).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSafety Note\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eIntended primarily for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eindoor, non‑condensing environments\u003c\/strong\u003e; prolonged exposure to condensation, dust, or chemicals can degrade accuracy.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eDo not expose directly to water or corrosive atmospheres; use a ventilated but protective enclosure where necessary.\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eAllow the sensor a brief\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003estabilization period\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eafter power‑on before trusting readings, and avoid very rapid polling to ensure reliable measurements.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"sugar","offers":[{"title":"Default Title","offer_id":44922566475911,"sku":null,"price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7763\/5719\/files\/DHT22AM2302DigitalTemperatureandHumiditySensorModule.jpg?v=1781873472","url":"https:\/\/sugarstore.dev\/products\/dht22-am2302-digital-temperature-and-humidity-sensor-module-temperature-humidity-monitor-practical-replacement-for-sht11-sht15","provider":"sugar","version":"1.0","type":"link"}