MQ-3, Gas Sensor Module, Alcohol, Ethanol, and Smoke Detection, 5V Operating Voltage

The MQ-3 Gas Sensor Module is designed for detecting alcohol, ethanol, and smoke concentrations in the air. It provides excellent sensitivity, fast response time, and high stability, making it ideal for applications such as breath analyzers, air quality monitors, and safety detection systems. The module operates on a 5V power supply and offers both analog and digital outputs, enabling integration with various microcontroller platforms.

Key Features :

• Alcohol, Ethanol, and Smoke Detection: Capable of detecting alcohol, ethanol, and smoke with high sensitivity.
• Analog and Digital Output: Provides both analog output for precise gas concentration measurements and digital output for threshold detection.
• Wide Detection Range: Detects alcohol concentrations between 0.05mg/L and 10mg/L.
• Adjustable Sensitivity: The onboard potentiometer allows for easy calibration of the detection threshold.
• Durable Design: Designed to withstand harsh environments while maintaining stability and accuracy.
• Easy Integration: Compatible with popular microcontroller platforms like Arduino and Raspberry Pi.