DHT20 - AHT20 Pin Module - I2C Temperature and Humidity Sensor
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DHT20/AHT20-based I2C temperature and humidity sensor in a DHT-pin-compatible package, as an upgrade over earlier DHT sensors.
DHT20/AHT20-based I2C temperature and humidity sensor in a DHT-pin-compatible package, as an upgrade over earlier DHT sensors.
board power input at controller logic level
I2C data line
common ground for power and logic
I2C clock line
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VIN | 1 | power | board power input at controller logic level | match microcontroller logic level, commonly 3.3V or 5V |
| SDA | 2 | i2c data | I2C data line | same logic level as VIN, 10K pull-up on board per Learn page |
| GND | 3 | ground | common ground for power and logic | 0V |
| SCL | 4 | i2c clock | I2C clock line | same logic level as VIN, 10K pull-up on board per Learn page |
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: VIN, GND, SDA, SCL. Schematik maps them to your board in the app.
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