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.
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 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.
Power supply on the Grove connector. Seeed Grove System documentation states Pin 3 / red is VCC on all Grove connectors.
Ground on the Grove connector. Seeed Grove System documentation states Pin 4 / black is GND on all Grove connectors.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| SCL | Grove connector pin 1 / yellow wire | signal | 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 | signal | 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. |
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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