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2015NEW KEYESTUDIO MQ-2 Analog Gas Sensor for Arduino MQ-2
This analog gas sensor - MQ2 is used in gas leakage detecting equipment in consumer electronics and industrial markets. This sensor is suitable for detecting LPG£¬ I-butane£¬ propane£¬ methane£¬ alcohol£¬ Hydrogen and smoke. It has high sensitivity and quick response. In addition£¬ the sensitivity can be adjusted by the potentiometer.