This is a very easy to use low cost semiconductor Gas sensor Module with analog and digital output. This module uses MQ5 gas sensor as a gas sensing element. It requires no external components just plug in Vcc & ground pins and you are ready to go.

For Digital output the threshold value can be easily set by an on-board potentiometer.  Using this module you can easily interface MQ5  gas Sensor to any Microcontroller, Arduino or even Raspberry Pi.

This Gas Sensor module is sensitive to LPG, natural Gas & Town Gas. it is also small sensitivity to alcohol & smoke.

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