![]() Connect the components according to the drawing. I always build the circuit first so that I have it available to test while I’m coding. ![]() Now that we have an overview of the project, gather the materials, and let’s start building the circuit. ![]() We’ll review how they work throughout this tutorial, but you might need an additional reference while building this project. If you’ve never used arrays in Arduino or C/C++, then I recommend checking out this primer. Then, we’ll store the respective button press into an array. We’ll use debouncing to verify that each button has been triggered. Before we start, I recommend brushing up on the example debouncing sketch. You may also opt to make this on a PCB and solder the components together for a cleaner-looking device.
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