MQ2 Gas Sensor Module

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