MQ3 Gas Sensor Module


This is a very easy to use low cost semiconductor Gas sensor Module with analog and digital output. This module uses MQ3 Alcohol gas sensor as a alcohol gas sensing element. It requires no external components just plug in Vcc & ground pins and you are ready to go.


Power Supply: 5 Volts

Interface Type: Analog & Digital

High Sensitivity to Alcohol & small sensitivity to Benzine.

Low Cost.

Stable & Long Life.

On board Power indication.


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