MQ-135 Gas Sensor Module
Tutorial for using MQ-135 Gas Sensor module with ESP8266 powered dev board and an Arduino sketch for monitoring indoor air quality and detecting flammable gases, smoke and alcohol. ANAVI Gas Detector has been used for the demonstrations:
https://www.crowdsupply.com/anavi-tec...
0:00 Overview
0:50 What is MQ-135?
3:02 How does it work?
5:32 Demonstrations
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