Adafruit AHT20 Temperature & Humidity Sensor Breakout Board
Pinout
- GND1
ground
Type · Ground - 3V32
3.3 V supply
Type · Power - SDA3
I2C data
Type · I2C - SCL4
I2C clock
Type · I2C
| Pin | Position | Type | Function |
|---|---|---|---|
| GND | 1 | Ground | ground |
| 3V3 | 2 | Power | 3.3 V supply |
| SDA | 3 | I2C | I2C data |
| SCL | 4 | I2C | I2C clock |
Pin details
4 connections- GND1
ground
Ground - 3V32
3.3 V supply
Power - SDA3
I2C data
I2C - SCL4
I2C clock
I2C
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: GND, 3V3, SDA, SCL. Schematik maps them to your board in the app.
Temp & humidity
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