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MQ2 Gas Sensor Module (HCMODU0001) 
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Joined: Sun Aug 05, 2012 4:02 pm
Posts: 713
Post MQ2 Gas Sensor Module (HCMODU0001)


The MQ2 analogue gas sensor is used in gas leakage detection equipment in consumer and industry markets, this sensor is suitable for detecting LPG, i-butane, propane, methane, alcohol, Hydrogen and smoke. It has a high sensitivity and fast response time. And the sensitivity can be adjusted by the potentiometer.


Power supply requirements: 5V
Interface type: Analogue
Pin Definition: 1-Output 2-GND 3-VCC
Wide detecting scope
Fast response and High sensitivity
Simple drive circuit
Stable and long life
Approximate Size: 3.5cm x 2.2cm


AOUT..........Analogue Output (0-~5V)
DOUT..........Digital Output (threshold level set by on-board potentiometer)




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Wed Jul 22, 2015 7:09 am
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