MQ-3 Alcohol Sensor Module


This sensor makes alcohol detection very easy and fast.

17 in stock

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  • The MQ-3 alcohol sensor is a very sensitive sensor that is able to detect even the smallest level of ethanol or other forms of alcohol.
  • It has a fast response time suitable for most IoT applications.
  • The MQ-3 provides an analog resistive value based on the concentration of alcohol. 



  • Breath analysers
  • Car alcohol alarm
  • Environmental monitoring


  • Operating voltage: 5V DC
  • Sensor type: Both digital and analog
  • Current consumption: 150mA
  • Operating temperature: -10 to 70C 
  • Analog output range: 0-5V


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