MQ-3
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$2.50MQ-3 Gas Sensor Module detects the presence and amount of alcohol / ethanol present in the air. MQ-3 module is suitable for detecting Alcohol, Benzine, CH4, Hexane, LPG, CO. Sensitive material of MQ-3 gas sensor is SnO2, which with lower conductivity in clean air. When the target alcohol gas exist, […]