This is a calibrated digital temperature and humidity module with onboard sensor DHT22, which features higher accuracy and wider measuring range than DHT11.
It can be used for detecting ambient temperature and humidity, through the standard single-wire interface.
Temperature
- Resolution : 0.1°C
- Accuracy: ±0.5?
- Measuring range: -40°C ~ 80°C
Humidity
- Resolution: 0.1%RH
- Accuracy: ±2%RH (25°C)
- Measuring range: 0%RH ~ 99.9%RH
Operating voltage: 3.3V ~ 5.5 V
Recommended storage condition
- Temperature: 10°C ~40°C
- Humidity: 60%RH or below
Applications
- Weather station
- Humidity controller
- Test & detection device
In the case of working with a MCU:
- VCC ? 3.3V ~ 5.5V
- GND ? GND
- DOUT ? MCU.I
Wiki: www.waveshare.com/wiki/DHT22_Temperature-Humidity_Sensor
Lieferumfang
- DHT22 Temperature-Humidity Sensor x1
- XH2.54 3-pin wire x1
Waveshare International Limited, World Trade Plaza south side, Fuhong Rd, Futian District, 518000 Shenzhen, China, [email protected], https://waveshare.com/