Grove - Environmental Sensor SEN54 I2C (PM1/2.5/4/10, NOx, VOC, RH, Temp)
Sensirion SEN54 integrated Grove sensor reporting PM1.0, PM2.5, PM4, PM10, NOx index, VOC index, humidity, and temperature over I2C. Rated for up to 10 years of continuous operation in HVAC and air-quality applications.
Pinout
- SCLGrove connector pin 1 / yellow wire
I2C clock on the Grove connector. The Seeed product page identifies this SEN54 board as an IIC Grove environmental sensor; Seeed Grove System documentation labels Pin 1 / yellow as SCL on I2C Grove connectors.
Type · I2C - SDAGrove connector pin 2 / white wire
I2C data on the Grove connector. The Seeed product page identifies this SEN54 board as an IIC Grove environmental sensor; Seeed Grove System documentation labels Pin 2 / white as SDA on I2C Grove connectors.
Type · I2C - VCCGrove connector pin 3 / red wire
Power supply on the Grove connector. Seeed Grove System documentation states Pin 3 / red is VCC on all Grove connectors.
Type · Power - GNDGrove connector pin 4 / black wire
Ground on the Grove connector. Seeed Grove System documentation states Pin 4 / black is GND on all Grove connectors.
Type · Ground
| Pin | Position | Type | Function |
|---|---|---|---|
| SCL | Grove connector pin 1 / yellow wire | I2C | I2C clock on the Grove connector. The Seeed product page identifies this SEN54 board as an IIC Grove environmental sensor; Seeed Grove System documentation labels Pin 1 / yellow as SCL on I2C Grove connectors. |
| SDA | Grove connector pin 2 / white wire | I2C | I2C data on the Grove connector. The Seeed product page identifies this SEN54 board as an IIC Grove environmental sensor; Seeed Grove System documentation labels Pin 2 / white as SDA on I2C Grove connectors. |
| VCC | Grove connector pin 3 / red wire | Power | Power supply on the Grove connector. Seeed Grove System documentation states Pin 3 / red is VCC on all Grove connectors. |
| GND | Grove connector pin 4 / black wire | Ground | Ground on the Grove connector. Seeed Grove System documentation states Pin 4 / black is GND on all Grove connectors. |
Pin details
4 connections- SCLGrove connector pin 1 / yellow wire
I2C clock on the Grove connector. The Seeed product page identifies this SEN54 board as an IIC Grove environmental sensor; Seeed Grove System documentation labels Pin 1 / yellow as SCL on I2C Grove connectors.
I2C - SDAGrove connector pin 2 / white wire
I2C data on the Grove connector. The Seeed product page identifies this SEN54 board as an IIC Grove environmental sensor; Seeed Grove System documentation labels Pin 2 / white as SDA on I2C Grove connectors.
I2C - VCCGrove connector pin 3 / red wire
Power supply on the Grove connector. Seeed Grove System documentation states Pin 3 / red is VCC on all Grove connectors.
Power - GNDGrove connector pin 4 / black wire
Ground on the Grove connector. Seeed Grove System documentation states Pin 4 / black is GND on all Grove connectors.
Ground
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.
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