Attention
Since the DHT22 has been discontinued, this sensor will be EOL soon. We strongly recommend you use the upgraded DHT20 sensor, that is Grove - Temperature & Humidity Sensor V2.0 (DHT20)
Features
High temperature and humidity measurement accuracy
Humidity: 0 to 99.9 %RH with ±2% accuracy
Temperature: -40 to 80? with ±0.5? accuracy
Wide range of temperature and humidity measurement
Ultra-low power consumption
20-meter signal transmission distance
Factory calibrated, easy to use