MQ131 gas sensor


Library for measuring ozone (O3) concentration with sensor MQ131
This library supports low concentration (WO3 and SnO2 versions) and high concentration sensors and accept variable load resistance.

Author: Olivier Staquet

Maintainer: Olivier Staquet

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.