The MQ5 Gas Sensor module is useful for gas leakage detecting. It can detect LPG (Liquefied petroleum gas), i-butane, methane, alcohol, Hydrogen and smoke. The sensitivity can be adjusted using the on-board potentiometer, this sensor can be used by reading the analog pin to which it is connected. Please use this sensor only in controlled experiments, Combustible gases and fumes are very dangerous.
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