MQ-5 Gas Sensor
Resistive MQ-5 sensor for detecting LPG, natural gas, and town gas; outputs an analog voltage proportional to concentration.
Pinout
- VCCType · Power
- GNDType · Ground
- AOUTType · Signal
- DOUTType · Signal
| Pin | Type |
|---|---|
| VCC | Power |
| GND | Ground |
| AOUT | Signal |
| DOUT | Signal |
Pin details
4 connections- VCCPower
- GNDGround
- AOUTSignal
- DOUTSignal
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: VCC, GND, AOUT, DOUT. Schematik maps them to your board in the app.
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