Multiple Push Buttons on One Arduino Input | The DIY
2019-5-17 · Multiple Push Buttons on One Arduino Input. Michael Klements. May 17, 2019. 4270. 28. The most commonly used Arduino board, the Arduino Uno, only has 12 available digital IO pins, so you may find yourself quickly running out of available pins on larger projects or projects requiring a number of buttons or a keypad.
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