SainSmart MQ2 Gas Sensor Module For LPG Propane Hydrogen Arduino Compatible

Description:

The analog gas sensor - MQ2 is used in gas leakage detecting equipments 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.
 
Features:

• Power supply needs: 5V
• Interface type: Analog
• Pin Definition:  1-Output  2-GND  3-VCC
• Wide detecting scope
• Fast response and High sensitivity
• Simple drive circuit
• Stable and long life

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