Portable CO2 sensor  ESP32 M5Stack compatible
Free     Thingiverse     hpsaturn

Portable CO2 sensor - ESP32 M5Stack compatible

In this demo on a simple sketch you could have a dynamic list of variables of multiple sensors brands ...

similar models —

Portable CO2 sensor - ESP32 M5Stack compatible alternatives
Co2 Sensor mount for 8020 series 10
NotLikeALeafOnTheWind
co2 ghost
towilab
CO2 Sensor
jannis1602
co2 ghost
towilab