MICS6814 3-in-1 Gas Sensor Breakout (CO, NO2, NH3)
Pimoroni
£15.33
Price read from Pimoroni on 2026-10-22. Check before buying.
Measure changes in the concentration of gases including carbon monoxide (CO), nitrogen dioxide (NO2), and ammonia (NH3) with this Breakout Garden compatible I2C breakout. The MICS6814 sensor comprises three semiconductor gas sensors in a single package, and can detect three different groups of gases that are referred to in the datasheet as reducing, oxidising, and NH3. The major gases/vapours that the sensor detects are: carbon monoxide (reducing), nitrogen dioxide (oxidising), and ammonia (NH3), but it is also sensitive to others, including hydrogen, ethanol, and hydrocarbons. It can be used
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