but there is also a CO2 sensor integrated to improve this aspect of air quality when needed. The entire build is based on a Raspberry Pi Zero, and nothing needed to be changed about the ceiling ...
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Monitor air quality on the go with the Raspberry Pi Pico 2Sharma says the meter is built around an MQ135 air quality sensor ... CO2, smoke particles, benzene, alcohol, ammonia, and nitrogen oxide. The project's first iteration was built using a Raspberry ...
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