MQ3 Alcohol Ethanol Detection Sensor Module

The MQ3 Alcohol Ethanol Detection Sensor Module is designed to sense the presence of alcohol in the air. It uses the MQ-3 sensor and provides both analog and digital outputs for easy interfacing with microcontrollers and other circuits. Here are the key features, specifications, and applications of the MQ3 alcohol sensor module:

  Features:  

• Signal output light indicator
• Analog and level signal output
• TTL output valid signal is low (can be directly connected to a microcontroller or relay module)
• High sensitivity to alcohol detection
• Long service life and reliable stability
• Rapid response and recovery features

  Specifications:  

• Operating Voltage: 5V ±0.1
• Current Consumption: 150mA
• Operation Temperature: -10°C to +70°C
• Concentration: 0.05 mg/L to 10 mg/L Alcohol
• Load Resistance: 200 kΩ
• Dimensions: 36mm x 20mm x 16mm
• Weight: 5 grams

  Applications:  

• Breathalyzer for alcohol detection
• Industrial alcohol detection
• Alcohol detection in automotive applications
• Safety monitoring systems for alcohol detection

  Package Includes:  

• 1 x MQ-3 Alcohol Detector Gas Sensor Module

The MQ3 alcohol sensor module is ideal for applications where the detection of alcohol vapor is required, such as breathalyzers, industrial safety monitoring systems, and automotive alcohol detection systems. Its compact size and easy interfacing make it a versatile sensor for various projects and applications.