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Re:Show HN: I wanted to measure CO2 in my office, so I build... by sbr464 on Friday January 25, 2019 @12:44PM (#19000332)
https://www.co2meter.com/collections/sensors has a bunch of different ones, I usually look on Mouser also. I don't have a name of one currently. I've been using the particle.io platform with a particle device/LTE for sending out data and programming them.
Re:Show HN: I wanted to measure CO2 in my office, so I build... by gsich on Friday January 25, 2019 @05:04PM (#19002982)
None of them are in the 8$ range. There also seem to some copies which are way overpriced.
Re:Show HN: I wanted to measure CO2 in my office, so I build... by sbr464 on Monday January 28, 2019 @01:26AM (#19015630)
Interesting to have an arbitrary $8 price point. You only live once, get the best!
Re:Show HN: I wanted to measure CO2 in my office, so I build... by gsich on Monday January 28, 2019 @01:43AM (#19015687)
Not my restriction.