Grove - VOC Gas Sensor (SGP40)
Sensirion SGP40 metal-oxide VOC sensor outputting a raw signal and processed VOC Index over I2C via Grove connector. Reaches reliable readings within 60 seconds; full specification requires approximately one hour warm-up.
Pinout
- VCCType · Power
- GNDType · Ground
- SDAType · I2C
- SCLType · I2C
| Pin | Type |
|---|---|
| VCC | Power |
| GND | Ground |
| SDA | I2C |
| SCL | I2C |
Pin details
4 connections- VCCPower
- GNDGround
- SDAI2C
- SCLI2C
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, SDA, SCL. Schematik maps them to your board in the app.
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