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UUGear DHT22 (AM2302) Temperature & Humidity Sensor Module


(  8.84GBP  /  10.94USD  /  14.95CAD  )

A small PCB module that integrates DHT22 sensor and other required components

10 in stock (more can be backordered)

SKU: UUGEAR_DHT22_MODULE Categories: , , ,

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This module integrates DHT22 (or AM2302) sensor and other required components on a small PCB.  The DHT22 sensor includes a resistive-type humidity measurement component, an NTC temperature measurement component and a high-performance 8-bit microcontroller inside, and provides calibrated digital signal output.  It has high reliability and excellent long-term stability, thanks to the exclusive digital signal acquisition technique and temperature & humidity sensing technology.

DHT22 is a upgraded version of DHT11, and provides better resolution and accuracy. The only drawback, comparing to DHT11, is that its maximum sampling rate is even lower: with DHT11 you could request data for every one second, but with DHT22, you could request data for every two seconds.

Technical Specifications:

Power Supply: 3.3~5.5V DC
IO level: 3.3~5.5V (depends on power supply)
Power Consumption: 2.5mA max while requesting data
Measurement Range: Humidity 0-100%RH, temperature  -40~80℃
Accuracy: Humidity ±2~5%RH, temperature ±0.5℃
Resolution: Humidity  0.1%RH, temperature  0.1℃
Sampling Rate: No more than 0.5 Hz (once every 2 seconds)
Long-Term Stability: <±0.5%RH/year

Additional information

Weight 0.01 kg
Dimensions 3.2 × 1.6 × 0.9 cm


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