Fermion: SGP40 VOC Air Quality Sensor (Breakout)
SGP40 VOC sensor breakout for indoor air quality monitoring with low power and fast response. C and Python libraries included.
Pinout
- VCC1
positive supply
Type · PowerVoltage · 3.3-5V - GND2
ground
Type · Ground - SCL3
I2C clock
Type · I2C - SDA4
I2C data
Type · I2C
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VCC | 1 | Power | positive supply | 3.3-5V |
| GND | 2 | Ground | ground | |
| SCL | 3 | I2C | I2C clock | |
| SDA | 4 | I2C | I2C data |
Pin details
4 connections- VCC1
positive supply
PowerVoltage · 3.3-5V - GND2
ground
Ground - SCL3
I2C clock
I2C - SDA4
I2C data
I2C
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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