They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of LPG, natural gas , town gas, avoid the noise of alcohol and cooking fumes and cigarette smoke The MQ5 ( MQ-5 ) is used in gas leakage detecting equipment in consumer and industry applications,this sensor is suitable for Read more about MQ-5 Methane LPG Liquid Propane Gas Sensor Module For Arduino UNO Mega 2560 R3[…]