Demo https://youtu.be/am2SoZDx6nI In this tutorial, we will learn how to use an MQ-136 gas sensor. Components Needed MQ-136 gas sensorJumper CablesArduino UnoBreadboardUSB cableA computer to run the program What is an MQ-136 gas sensor and how does it work? The MQ-136 Gas Sensor is a sensor that is sensitive to smoke, propane, methane, alcohol, hydrogen, … Continue reading Tutorial 21: How to use an MQ-136 gas sensor