MICS6814 3-in-1 Gas Sensor Breakout (CO, NO2, NH3)
Pimoroni breakout for the MICS6814 multi-gas sensor detecting CO, NO2, and NH3 simultaneously using three independent metal-oxide sensing elements. Requires a warm-up period before readings are valid.
Pinout
- 3V31x5 header, Raspberry Pi physical pin 1
Raspberry Pi 3.3V power rail; breakout accepts 3V to 5V
Type · PowerVoltage · 3V to 5V compatible - SDA1x5 header, Raspberry Pi physical pin 3
I2C data; default I2C address 0x19
Type · I2CVoltage · I2C logic - SCL1x5 header, Raspberry Pi physical pin 5
I2C clock
Type · I2CVoltage · I2C logic - GPIO41x5 header, Raspberry Pi physical pin 7
Auxiliary Breakout Garden/Raspberry Pi compatible signal position
Type · GPIOVoltage · logic level - GND1x5 header, Raspberry Pi physical pin 9
Ground
Type · GroundVoltage · 0V
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| 3V3 | 1x5 header, Raspberry Pi physical pin 1 | Power | Raspberry Pi 3.3V power rail; breakout accepts 3V to 5V | 3V to 5V compatible |
| SDA | 1x5 header, Raspberry Pi physical pin 3 | I2C | I2C data; default I2C address 0x19 | I2C logic |
| SCL | 1x5 header, Raspberry Pi physical pin 5 | I2C | I2C clock | I2C logic |
| GPIO4 | 1x5 header, Raspberry Pi physical pin 7 | GPIO | Auxiliary Breakout Garden/Raspberry Pi compatible signal position | logic level |
| GND | 1x5 header, Raspberry Pi physical pin 9 | Ground | Ground | 0V |
Pin details
5 connections- 3V31x5 header, Raspberry Pi physical pin 1
Raspberry Pi 3.3V power rail; breakout accepts 3V to 5V
PowerVoltage · 3V to 5V compatible - SDA1x5 header, Raspberry Pi physical pin 3
I2C data; default I2C address 0x19
I2CVoltage · I2C logic - SCL1x5 header, Raspberry Pi physical pin 5
I2C clock
I2CVoltage · I2C logic - GPIO41x5 header, Raspberry Pi physical pin 7
Auxiliary Breakout Garden/Raspberry Pi compatible signal position
GPIOVoltage · logic level - GND1x5 header, Raspberry Pi physical pin 9
Ground
GroundVoltage · 0V
Start wiring
I2C · Analog · UART · 3.3 – 5 V · Breakout
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