DHT21 is the former name, new name is AM2301
4-pin package
Ultra-low power
No additional components
Excellent long-term stability
All calibration, digital output
Completely interchangeable
Long distance signal transmission
Relative humidity and temperature measurement
Specifications:
Type: AM2301
Accuracy resolution: 0.1
Measurement range: 0-100%RH
Temperature measurement range: -40℃ ~ +80℃
Humidity measurement precision: ±3%RH
Temperature measurement precision: ±0.5℃
Sensor Type
Temperature: resistive sensor
Humidity: capacitive sensor
