MQ2 Gas sensor interfacing with LPC2138 | Simulation | CH4, LPG, Alcohol gas Detector
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MQ2 Gas Sensor Features
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1] Operating Voltage is +5V
2] Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even methane
3] Analog output voltage: 0V to 5V
4] Digital Output Voltage: 0V or 5V (TTL Logic)
5] Preheat duration 20 seconds
6] Can be used as a Digital or analog sensor
7] The Sensitivity of Digital pin can be varied using the potentiometer
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