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MQ-3 Alcohol Ethanol Detection Sensor Module Main

MQ-3 Alcohol Sensor Module | Breathalyzer & Ethanol Detector

Build your own Breathalyzer. The MQ-3 is specifically designed to detect alcohol (Ethanol) vapors. It has high sensitivity and fast response time, making it the perfect sensor for "Smart Car" safety systems that prevent drunk driving.

Detects: Alcohol, Ethanol, Benzine.
Sensitivity: Adjustable via Blue Potentiometer.
Warm-up: Heater requires ~20 seconds.
Best For: Breathalyzers, Drunk Driving Alarms, and Industrial Monitoring.

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