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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 ...
Connect the Arduino to your computer using a USB cable. Download and install the Arduino IDE if you haven't done so already. Open the Arduino IDE and create a new sketch. Copy and paste the provided ...
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