The Program read the values as co2 concentration or temperature from MH-Z19 sensor.
It's a version for my x86 Linux PC and a connected FT232RL usb-serial converter.
The original source for Raspberry Pi found here: https://raw.githubusercontent.com/UedaTakeyuki/slider/master/mh_z19.py
execute without options
h077e@pc23:~/MH-19z$ sudo python -m mh_z19
{"co2": 458}
excecute with all functions
h077e@pc23:~/MH-19z$ sudo python -m mh_z19 --all
{"SS": 0, "UhUl": 0, "TT": 63, "co2": 459, "temperature": 23}
execute without structured output, only value
h077e@pc23:~/MH-19z$ sudo python -m mh_z19 --co2valueonly
458