MQ-3 Alcohol Sensor Module | Breathalyzer & Ethanol Detector
Original price was: ₵32.00.₵28.00Current price is: ₵28.00.
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.
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 欧美午夜一区二区福利视频s. 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!
Related products
BMP180 Digital Barometric Pressure & Altitude Sensor Module
Predict the weather or measure your altitude. The BMP180 is a high-precision sensor that measures air pressure and temperature. Because pressure changes with height, it also works as an incredibly accurate altimeter (±1 meter accuracy).
-
Measures: Pressure (Pa) & Temperature (C)
-
Interface: I2C (SDA/SCL)
-
Voltage: 3.3V to 5V Compatible
-
Best For: Weather stations, Drones, and GPS altitude correction.
DHT11 Temperature and Humidity Sensor Module | Digital Weather Station
The #1 sensor for weather projects. The DHT11 is the most affordable way to measure ambient temperature and humidity. It provides calibrated digital signal output, making it perfect for automatic fan controllers and weather stations.
-
Measures: Temperature (0-50°C) & Humidity (20-90%)
-
Interface: Single Wire Digital (Easy Arduino Connection)
-
Includes: 3-Pin Breakout Board + Jumper Wires (Check your stock to confirm wires!)
-
Ideal For: Smart homes, greenhouses, and environment monitoring.
HC-SR501 PIR Motion Sensor Module | Infrared Detector for Arduino
Build your own burglar alarm or automatic light. The HC-SR501 detects human and animal movement by sensing body heat. It is the standard motion sensor for Arduino security projects.
-
Range: Adjustable (3 to 7 meters)
-
Output: 3.3V Logic (High when motion detected)
-
Features: Adjustable Time Delay & Sensitivity
-
Ideal For: Automated lighting, security systems, and robotics.
High Sensitivity Vibration Sensor Module (SW-1801P) | Shock & Shake Switch
Detect even the slightest tap. Unlike standard vibration sensors that require a hard shake, the SW-1801P High Sensitivity module can detect light knocks, impacts, and vibrations. Perfect for anti-theft alarms and "Smart Wake-Up" devices.
-
Sensor Type: SW-1801P (High Sensitivity Spring).
-
Output: Digital (High/Low).
-
Adjustable: Blue Potentiometer to set sensitivity trigger.
-
Best For: Anti-Theft Alarms, Earthquake Detection, and Smart Toys.
NEO-6M GPS Module V2 with Ceramic Antenna | Flight Controller & Tracker
-
Chipset: U-Blox NEO-6M.
-
Antenna: High-gain Active Ceramic Antenna (Included).
-
Data Retention: EEPROM + Battery (Saves configuration).
-
Best For: Drone Flight Controllers, Vehicle Trackers, and Speedometers.
Raindrop Sensor Module | Rain & Water Detector for Arduino
Build your own weather station. This sensor detects rain, snow, or water droplets. It consists of a large nickel-plated sensing board and a control module. When water hits the board, it sends a signal to your Arduino to close windows or sound an alarm.
-
Sensor Type: Resistive (Nickel-Plated Board).
-
Outputs: Digital (High/Low) and Analog (Rain Intensity).
-
Durability: Treated against oxidation for longer life.
-
Best For: Automatic Wipers, Smart Clotheslines, and Weather Stations.
Reviews
There are no reviews yet.