Arduino MQ-2 Gas Sensor Tutorial - How Does a Gas Sensor Work and How to Interface it with Arduino?
Sensor de Gas MQ2 Colombia
Arabtronics Center - GAS SENSOR MODULE MQ-2 Arduino MQ2 Gas Module Sensitive gas : Liquefied gas, propane and hydrogen Operating principle: MQ-2 gas sensor applies SnO2 which has a lower conductivity in
MQ2 Smoke LPG CO Sensor Module
In-Depth: How MQ2 Gas/Smoke Sensor Works? & Interface it with Arduino