
CO2, temperature & humidity sensor - modification
thingiverse
Modification for a D1 mini (pins removed in the bottom part) Further, in the bottom part - round bore added for a power supply socket - a slit was added for a pin header to connect an outside DHT22 In the top part, - the fixing of the MH-Z19B is extended by a second arch - hole added for a Neopixel LED to indicate the CO2-level by a color
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