Hi there :-),
there’s a relative new sensor-part to play with, but i couldn’t find it in Fritzing
Here some data i found:
photos: ENS160 + AHT21 | Blog
description: https://www.androegg.de/shop/ens160aht21-co2-kohlendioxid-raumluft-vocs-tvoc-aql-sensor/
DataSheet ENS160: https://www.mouser.com/datasheet/2/1081/SC_001224_DS_1_ENS160_Datasheet_Rev_0_95-2258311.pdf
DataSheet AHT21: http://www.aosong.com/userfiles/files/media/Data%20Sheet%20AHT21.pdf
Peeeeeeeeeeeeter, SOS !
So long
Pc