This is a very easy to use low cost semiconductor Gas sensor Module with analog and digital output. This module uses MQ2 Smoke & Flammable gas sensor as a 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 Smoke & combustible gasses like Hydrogen, LPG & Propane.
Low Cost.
Stable & Long Life.
On board Power indication.
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