Adafruit SGP30 Air Quality Sensor Breakout - VOC and eCO2
SGP30 multi-pixel MOX gas sensor breakout measuring TVOC and eCO2 over I2C with calibrated output signals.
Pinout
- Vinheader
Main power input
Type · PowerVoltage · 3-5VDC - 1V8header/pad
1.8V output from regulator
Type · PowerVoltage · 1.8V output - GNDheader / STEMMA QT
Common ground
Type · GroundVoltage · 0V - SCLheader / STEMMA QT
I2C clock
Type · I2CVoltage · 3V or 5V logic - SDAheader / STEMMA QT
I2C data
Type · I2CVoltage · 3V or 5V logic
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| Vin | header | Power | Main power input | 3-5VDC |
| 1V8 | header/pad | Power | 1.8V output from regulator | 1.8V output |
| GND | header / STEMMA QT | Ground | Common ground | 0V |
| SCL | header / STEMMA QT | I2C | I2C clock | 3V or 5V logic |
| SDA | header / STEMMA QT | I2C | I2C data | 3V or 5V logic |
Pin details
5 connections- Vinheader
Main power input
PowerVoltage · 3-5VDC - 1V8header/pad
1.8V output from regulator
PowerVoltage · 1.8V output - GNDheader / STEMMA QT
Common ground
GroundVoltage · 0V - SCLheader / STEMMA QT
I2C clock
I2CVoltage · 3V or 5V logic - SDAheader / STEMMA QT
I2C data
I2CVoltage · 3V or 5V logic
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: Vin, 1V8, GND, SCL, SDA. Schematik maps them to your board in the app.
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