AM2301B Wired Enclosed AHT20 Temperature & Humidity Sensor
AM2301B wired enclosed temperature and humidity sensor using an AHT20 sensing element with I2C output. Low-cost enclosed variant from the AM2302 family.
Pinout
- Redwired lead
Power input
Type · PowerVoltage · 2.5-5.5V - Blackwired lead
Ground
Type · PowerVoltage · 0V - Yellowwired lead
I2C data SDA
Type · SignalVoltage · 2.5-5.5V logic - Whitewired lead
I2C clock SCL
Type · SignalVoltage · 2.5-5.5V logic
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| Red | wired lead | Power | Power input | 2.5-5.5V |
| Black | wired lead | Power | Ground | 0V |
| Yellow | wired lead | Signal | I2C data SDA | 2.5-5.5V logic |
| White | wired lead | Signal | I2C clock SCL | 2.5-5.5V logic |
Pin details
4 connections- Redwired lead
Power input
PowerVoltage · 2.5-5.5V - Blackwired lead
Ground
PowerVoltage · 0V - Yellowwired lead
I2C data SDA
SignalVoltage · 2.5-5.5V logic - Whitewired lead
I2C clock SCL
SignalVoltage · 2.5-5.5V logic
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: Red, Black, Yellow, White. Schematik maps them to your board in the app.
Temp & humidity
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