Grove - CO2 Sensor
Availability
In stock
Grove-connector CO2 sensor module based on the MH-Z16 NDIR sensing element. Connects via Grove interface for use with Seeed shields and compatible boards.
Pinout
- SCL1
I2C clock
Type · signal - SDA2
I2C data
Type · signal - VCC3
supply
Type · power - GND4
ground
Type · power
| Pin | Position | Type | Function | Voltage |
|---|
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
105 other optionsMQ gas sensors, VOC/eCO2 indicators, NDIR true-CO2 modules and PM1/PM2.5/PM10 particulate sensors — over 100 listings across very different detection chemistries.
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