This library allows you to easily read the MQ135 air quality sensor.
This library allows any Arduino-compatible board to easily interface with the MQ135 air quality sensor and calculate temperature and humidity corrected CO2 concentrations.

Author: GeorgK, ViliusKraujutis, NuclearPhoenixx

Maintainer: NuclearPhoenixx

Read the documentation


This library is compatible with all architectures so you should be able to use it on all the Arduino boards.


To use this library, open the Library Manager in the Arduino IDE and install it from there.