MQ-3 Alcohol Ethanol Sensor Module

GENIUS ROBOTICSSKU: 60023
filler

Price:
$3.25
Stock:
In stock

Description



The MQ series of gas sensors uses a small indoor heater with an electrochemical sensor. They are sensitive to a range of gases and are used indoors at room temperature. The output is an analog signal and can be read with an analog input of the Arduino.



This MQ-3 alcohol sensor is suitable for detecting breath alcohol concentration, as is a common breathalyzer. It has a high sensitivity and fast response time. The sensor provides a resistive analog output based on alcohol concentration.



Feature:





  • Working voltage: 5V.


  • Pin Definition: 1_output, 2_GND, 3_VCC.


  • Quick response functions.


  • With a long life and reliable stability.


  • Main Chip: MQ-3 Alcohol Sensor.


  • Dual output: Analog output and TTL level output.


  • High sensitivity to alcohol.


  • Mounted on the module with connecting pins.


  • Adjustable sensitivity with potentiometer.


  • Size: 32mm x 22mm x 24mm.


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