Alcohol Sensor Module – MQ3

This alcohol sensor, like a breathalyser, can detect the concentration of alcohol in your breath. It has high sensitivity as well as a quick response time. Based on the concentration of alcohol, the sensor produces an analogue resistive output.

Specification

• 5V operation
• LEDs for output and power
• Output sensitivity adjustable
• Analog output 0V to 5V
• Digital output 0V or 5V
• Current Consumption : 150mA
• Operation Temperature : -10°C ~ 70°C
• Heater consumption: less than 750mW
• Module Size (LxWxH): 19x14x50mm
• Weight: 6g.