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Written by blinry on 2025-02-02 at 11:33

I brought my CO2 sensor prototype to #FOSDEM!

In K.3.401 (a tightly-packed dev room with closed windows), I measured a CO2 concentration of over 3000 ppm.

For reference: Outside air is currently ~420 ppm, and a common suggestion is to ventilate rooms to <= 1000 ppm.

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Toot

Written by Cegorach on 2025-02-02 at 17:52

@blinry @datenwolf on the plus side: if it get's worse, you don't have to switch font size or display to fit the number onto that screen

just switch from ppm to %

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