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A comment on Show HN: I wanted to measure CO2 in my office, so I build a C++ WebServer/App. Parent comment

Re:Show HN: I wanted to measure CO2 in my office, so I build... by janekm on Friday January 25, 2019 @01:49PM (#19001048)
Not even that. It is designed for hvac applications and measures VOCs on the assumption that they are from human breath and have a corresponding increase in CO2 levels due to breath.
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