DFRobot Gravity Analog Alcohol Sensor (MQ3) For Arduino


The analog gas sensor – MQ3 is used in gas leakage detecting equipment in consumer and industry markets, this sensor is suitable for detecting LPG i-butane, propane, methane, alcohol, hydrogen, smoke. It has a high sensitivity and fast response time. And the sensitivity can be adjusted by the potentiometer

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Wide detecting scope
Fast response and High sensitivity
Stable and long life
Simple drive circuit

Power supply needs 5V
Interface type Analog
Size 36.4×26.6mm


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