DHT22 Digital Temperature and humidity sensor am2302
Power supply: 3.3-6V DC
Output signal: digital signal via single-bus
Sensing element: Polymer capacitor
Operating range:
Humidity 0-100%RH
Temperature -40~80 Celsius
Accuracy: humidity +-2%RH (Max +-5%RH); temperature <+-0.5Celsius Resolution or sensitivity: humidity 0.1%RH; temperature 0.1Celsius Repeatability: humidity +-1%RH; temperature +-0.2Celsius Humidity hysteresis: +-0.3%RH Long-term Stability: +-0.5%RH/year Sensing period: Average 2s