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.
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Detects: Alcohol, Ethanol, Benzine.
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Sensitivity: Adjustable via Blue Potentiometer.
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Warm-up: Heater requires ~20 seconds.
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Best For: Breathalyzers, Drunk Driving Alarms, and Industrial Monitoring.
2 in stock
The MQ-3 Alcohol Ethanol Detection Sensor is a high-precision gas sensor designed to detect alcohol vapors, ethanol, and gasoline fumes. Ideal for breathalyzers, industrial monitoring, and smart IoT applications, this sensor helps measure alcohol concentration in the air and is widely used for vehicle safety, DUI prevention, and air quality control.
🔹 Dual Output & Adjustable Sensitivity for Easy Integration ⚡
✔ Gas Detection: Alcohol, ethanol, benzene, smoke, and gasoline vapors.
✔ Dual Output: Analog (exact concentration levels) & Digital (threshold-based alerts).
✔ Adjustable Sensitivity: Built-in potentiometer for threshold tuning.
✔ Operating Voltage: 5V DC (Compatible with Arduino & Raspberry Pi).
✔ Preheat Time: 20 seconds for stable and accurate readings.
✔ Durable & Compact Design: Long-lasting sensor with quick response time.
🔹 Applications – Where to Use the MQ-3 Sensor 🛠️
✔ Breath Alcohol Detection – Build your own DIY breathalyzer.
✔ Smart Vehicle Safety – Detect alcohol levels for DUI prevention.
✔ Workplace & Industrial Safety – Monitor alcohol exposure in factories.
✔ Air Quality Monitoring – Measure ethanol and gasoline vapors in enclosed spaces.
✔ Smart Home Automation – Integrate with IoT safety and security systems.
🔹 How to Use & External Resources 📚
The MQ-3 sensor is easy to connect with Arduino, Raspberry Pi, ESP8266, and other 男主与女二疯狂做hs. Simply power it with 5V, connect the analog or digital output, and start measuring alcohol levels.
📖 Helpful Resources for MQ-3 Alcohol Ethanol Detection Sensor:
✔ MQ-3 Datasheet & Specifications
✔ How to Interface MQ-3 with Arduino
✔ Raspberry Pi Alcohol Sensor Guide
✔ YouTube Tutorials – MQ-3 Alcohol Sensor Projects
🔹 Best Price & Availability in Ghana 🇬🇭
Looking for an MQ-3 Alcohol Ethanol Detection Sensor in Ghana? Whether for breathalyzers, industrial alcohol detection, or air quality monitoring, this sensor offers high accuracy and easy integration. Order today for fast delivery across Ghana!
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