MQ-3 Alcohol Gas Sensor Module

The MQ-3 Gas Sensor Module is a reliable and sensitive alcohol sensor used for detecting ethanol and other alcohol vapors in the air. Commonly used in breathalyzers, this sensor is ideal for Arduino and other microcontroller-based projects requiring alcohol detection or air quality monitoring.

Key Features:

• Gas Detection: Ethanol, alcohol vapors, smoke

• Operating Voltage: 5V DC

• Output Types: Analog and digital outputs for flexible integration

• High Sensitivity: Fast response and recovery times

• Compact Design: Easy to mount on breadboards or embedded systems

• Applications: Breathalyzer projects, air quality monitoring, safety systems, and smart IoT devices

With adjustable sensitivity via onboard potentiometer and dual output modes, the MQ-3 is a popular sensor in environmental and safety electronics.