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Comment by JSDevOps | Hacker News Reader
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JSDevOps
·
https://aranet.com/en/home/products/aranet4-home?srsltid=Afm...
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thadk
·
I believe Aranet4 contains this NDIR optical sensor
https://www.co2meter.com/collections/sensors/products/006-0-...
elliottkember
·
Like that, but cheaper and more accurate.
Reply on news.ycombinator.com