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How to Use Multiple Buttons on a Single Arduino Pin – Smart Pin-Saving Trick
Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small boards ...
In the loop () we declare variable stateButton with the value obtained using the digitalRead () function that reads the state of pin 8. Then it displays its state in the Serial Monitor window as 0 or ...
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