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A comment on On whether changes in bedroom CO2 levels affect sleep quality.

Re:On whether changes in bedroom CO2 levels affect sleep qua... by alvern on Monday January 21, 2019 @05:00PM (#18964005)
For the hackers out there, you can record CO2 with a K33 sensor. The [0] Livpi uses this chip.

EDIT: it appears the Livpi uses a K30 chip. The K33 [1] is the version sold on industrial sites.

[0] http://www.livpi.com/ [1] https://www.co2meter.com/products/k-33-icb-co2-sensor

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