Fermion: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)
BME688-based 4-in-1 environmental sensor measuring temperature, humidity, barometric pressure, and VOCs. Supports I2C and SPI communication. The BME688 AI scan cycle enables gas mixture classification via Bosch's BSEC library.
Pinout
- +1
positive supply
Type · PowerVoltage · 3.3-5V - -2
ground
Type · Ground - C3
I2C clock
Type · I2C - D4
I2C data
Type · I2C
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| + | 1 | Power | positive supply | 3.3-5V |
| - | 2 | Ground | ground | |
| C | 3 | I2C | I2C clock | |
| D | 4 | I2C | I2C data |
Pin details
4 connections- +1
positive supply
PowerVoltage · 3.3-5V - -2
ground
Ground - C3
I2C clock
I2C - D4
I2C data
I2C
Start wiring
I2C · Analog · UART · 3.3 – 5 V · Breakout
Waveshare lists MQ-2 for combustible gases and smoke, MQ-3 for alcohol, and MQ-135 for mixed indoor pollutants such as NH3, NOx, alcohol,…
Module pins: +, -. Schematik maps them to your board in the app.
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