As the Uno Rev3 only has 14 digital I/O pins and six analog input pins, it's best suited for projects not requiring too many components. Most of the built-in examples in the Arduino IDE software ...

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It's free to download, and you don't even need an Arduino board on standby to install it. Visit the Arduino Create agent installation page. Click the Start button in the bottom-right of the page.

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 like the Nano or Pro ...