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SCD41 CO2 Sensor Breakout (Carbon Dioxide / Temperature / Humidity)

SCD41 CO2 Sensor Breakout (Carbon Dioxide / Temperature / Humidity)

Pimoroni

£29

Price read from Pimoroni on 2026-10-22. Check before buying.

A true carbon dioxide sensor that can detect CO2 levels between 400 and 5,000 ppm, mounted on a Breakout Garden and Qw/ST-compatible breakout. SCD41 is a high accuracy sensor that uses photoacoustic technology to tell you the precise proportion of carbon dioxide (in ppm) of the air that you're breathing. It can also measure temperature and relative humidity. Too much carbon dioxide has all sorts of unpleasant effects on humans, such as turning up your tiredness levels and turning down your brain power. CO2 build-up is a useful indicator of how well ventilated a space is and also how many peopl

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