Testing MQ-2 GAS sensor with serial monitor
Suitable for detecting of LPG, i-butane, propane, methane ,alcohol, Hydrogen or smoke
More info: http://www.ardumotive.com/how-to-use-mq2-gas-sensor-en.html
Dev: Michalis Vasilakis // Date: 11/6/2015 // www.ardumotive.com