Particle, VOC, Humidity, and Temperature Sensor - SEN54
Sensirion SEN54 all-in-one environmental sensor measuring PM, VOC Index, humidity, and temperature in a single module. I2C at 3.3 V logic (requires 5 V power); 1 s sampling interval, 110 mA peak, rated >10 years continuous use.
Pinout
- VIN1?
module supply input
Type · PowerVoltage · 3.3-5V - GND2?
ground
Type · Ground - SDA3?
I2C data
Type · I2C - SCL4?
I2C clock
Type · I2C
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VIN | 1? | Power | module supply input | 3.3-5V |
| GND | 2? | Ground | ground | |
| SDA | 3? | I2C | I2C data | |
| SCL | 4? | I2C | I2C clock |
Pin details
4 connections- VIN1?
module supply input
PowerVoltage · 3.3-5V - GND2?
ground
Ground - SDA3?
I2C data
I2C - SCL4?
I2C clock
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: VIN, GND, SDA, SCL. Schematik maps them to your board in the app.
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