4 ms·
Sorry for being off topic but I want to get one of these. Which one should I get?
by neonate 9y ago
Sorry for being off topic but I want to get one of these. Which one should I get?
- sitkack 9y agoIt turns out measuring CO2 is expensive, but measuring VOC (volatile organic compounds, ethanol) exhaled by humans is cheap and one can map from the VOC PPM to equivalent CO2, in the datasheet referred to as CO2-equiv. https://www.mouser.com/datasheet/2/682/Sensirion_Gas_Sensors_SGP30_Datasheet_EN-1148053.pdf https://www.mouser.com/datasheet/2/682/Sensirion_Gas_Sensors...