AHT20 Digital Temperature & Humidity Sensor
Digital I2C temperature and humidity sensor with factory calibration and low power consumption, widely used as a modern successor to the DHT11/DHT22 series.
Aliase:AHT20, ASAIR AHT20, GY-21 AHT20, DHT20, Temperature Humidity Sensor
Breakout Module (4-Pin Header)
4 Pins
Pinout Table4
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | VCC | Power | +2.2V to +5.5V Power Supply |
| 2 | SDA | Digital | I2C Serial Data |
| 3 | GND | Ground | 0V System Ground |
| 4 | SCL | Digital | I2C Serial Clock |