DHT22 High Precision Digital Temperature & Humidity Sensor Module for Arduino/STM32

1. Length: 28mm x Width: 12mm x Height: 10mm 
II. Main Chip: Aosong DHT22 Temperature and Humidity Sensor
III. Operating Voltage: DC 3.3 - 5.5V 
IV. Characteristics: 
1. Humidity measurement range: 0 - 100% RH 
2. Humidity measurement accuracy: ±2%RH 
3. Temperature measurement range: -40 --- 80℃ 
4. Temperature measurement accuracy: ±0.5℃ 
5. Operating Voltage: DC 5V (Commonly Used) 
6. Single bus digital signal output, serial port for bidirectional data transmission;

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