Grove - Air quality sensor
Resistive gas sensor for indoor air quality that detects carbon monoxide, alcohol, acetone, thinner, formaldehyde, and other slightly toxic gases via Grove analog interface. Consider the v1.3 as a current alternative.
Pinout
- SCL1
I2C clock
Type · I2C - SDA2
I2C data
Type · I2C - VCC3
supply
Type · Power - GND4
ground
Type · Ground
| Pin | Position | Type | Function |
|---|---|---|---|
| SCL | 1 | I2C | I2C clock |
| SDA | 2 | I2C | I2C data |
| VCC | 3 | Power | supply |
| GND | 4 | Ground | ground |
Pin details
4 connections- SCL1
I2C clock
I2C - SDA2
I2C data
I2C - VCC3
supply
Power - GND4
ground
Ground
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, SCL, SDA. Schematik maps them to your board in the app.
Air quality
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