Rök sensor touchdisplay GND: then the power ground

GND: then the power ground

the module output low

Touch button

Microcontroller:ATmega2560

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Rök sensor touchdisplay GND: then the power groundSmoke sensor Get the most out of your safety with the smoke sensor. Our sensor is designed to quickly detect smoke, gas and other flammable gases to alert you to a potential hazard. Powered by DC5V, 150mA and outputting up to 4V, you can be sure you'll get the most accurate results when it matters most. Get peace of mind knowing that the smoke sensor is always looking out for your safety! Specifications: Sensor for Smoke, gas Output signal max 4V.