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 ...

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🔗 Overview 4 push buttons wired to digital pins with internal pull-up. 4 LEDs wired to digital pins with resistors. When you press a button, its corresponding LED ...

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Notifications You must be signed in to change notification settings 💡 Project Description This is a simple project using Arduino to control three LEDs with three push buttons. Each button controls ...