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MQ2 Gas Sensor Module (HCMODU0001) 
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Joined: Sun Aug 05, 2012 4:02 pm
Posts: 633
Post MQ2 Gas Sensor Module (HCMODU0001)
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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.


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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


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


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Attachment:
MQ2_Datasheet.pdf


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Wed Jul 22, 2015 7:09 am
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