Hi, When I upload the example test sketch for the Adafruit ccs811 CO2 sensor the readout starts at 400 ppm and keeps gradually increasing without change in the actual CO2 level (to about 1000 in one hour). When I upload the sketch again it starts again at 400 ppm. The sensor does work. When I breat…

CO2 level readout Adafruit ccs811 CO2 sensor gradually increases.

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