Fermion: MEMS Multi-Gas Detector - CO/CH4/Ethanol Sensor (1-1000ppm, Breakout)
MEMS-based multi-gas sensor detecting CO, CH4, H2, and NH3 across a 1–1000 ppm range. Provides both analog and I2C digital output with low power consumption.
Pinout
- 5VType · Power
- GNDType · Ground
- A0Type · Analog
- ENType · Control
| Pin | Type |
|---|---|
| 5V | Power |
| GND | Ground |
| A0 | Analog |
| EN | Control |
Pin details
4 connections- 5VPower
- GNDGround
- A0Analog
- ENControl
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: 5V, GND, A0. Schematik maps them to your board in the app.
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