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MQ3 Alcohol Sensor Detector Gas Sensor Module

Mq3 Alcohol Sensor Detector Gas Sensor Module

Original price was: ₨ 400.Current price is: ₨ 330.

Input voltage: DC5V
Power consumption (current) : 150 mA
DO output: TTL digital 1 and 0 (0.1 and 5 V)
AO output: 0.1-0.3 V (pollution-free)
Highest concentration of voltage: Approx 4 V
Detection range of alcohol: detection range of 10 ~ 1000 PPM

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MQ3 Alcohol Sensor Detector Gas Sensor Module

The MQ3 Alcohol Sensor Detector Gas Sensor Module is a highly sensitive and cost-effective sensor designed to detect alcohol, ethanol, and other volatile gases in the air. It is widely used in breathalyzer systems, vehicle safety circuits, embedded electronics, and IoT-based applications for monitoring alcohol levels. Ideal for students, hobbyists, and engineers, this module provides both analog and digital outputs for flexible integration.

Equipped with a SnOβ‚‚ semiconductor sensor and a built-in heater, the MQ3 offers fast response time and accurate readings of alcohol concentrations. Its compact design and compatibility with popular microcontrollers like πŸ”— Arduino make it a go-to component for safety-focused electronics projects.

πŸ” Key Features & Technical Specifications:

  • Target Gases: Alcohol, Ethanol, Benzine

  • Operating Voltage: 5V DC

  • Detection Range: 0.05 mg/L to 10 mg/L (Alcohol)

  • Analog Output Voltage: 0.1V – 4.0V

  • Digital Output: Adjustable threshold using onboard potentiometer

  • Load Resistance: 200Ξ© – 10KΞ©

  • Heater Resistance: 33Ξ© Β± 5%

  • Response Time: <10 seconds

  • Preheat Time: ~20 seconds

  • Indicators: Power & Signal LEDs

  • Form Factor: Compact PCB module

βš™οΈ Applications:

  • Alcohol breath analyzers

  • Smart ignition control in vehicles

  • Workplace safety monitoring

  • IoT-based air quality & gas detection systems

  • Arduino & microcontroller learning kits

  • Home safety devices

  • Robotics and automation projects

  • STEM education tools

πŸ’‘ Microcontroller Compatibility:

The MQ3 sensor is fully compatible with πŸ”— Arduino, ESP32, ESP8266, STM32, Raspberry Pi, and other microcontroller platforms. Its dual output system (analog and digital) ensures smooth operation across diverse projects.

Explore more sensors at πŸ”— ElectroWay Sensor Collection.

πŸŽ₯Watch Learning Video:

Watch MQ3 Sensor in Action on YouTube

πŸ“ Available now at ElectroWay – Johar Town, Lahore
ElectroWay is your trusted source for electronics, sensors, and DIY components across Pakistan.

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