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Product Details

This analog gas sensor – MQ3 is suitable for detecting alcohol. It can be used in a Breath analyzer. It has good selectivity because it has higher sensitivity to alcohol and lower sensitivity to Benzine. The sensitivity can be adjusted by a potentiometer.
 
Specification
  • Power supply: 5V

  • Interface type: Analog

  • Quick response and High sensitivity

  • Simple drive circuit

  • Stable and long service life

 
 
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MQ-3 Alcohol Ethanol Sensor Detection Module for Arduino Sensor DIY Electronic Project

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