tinkerers, hobbyists, makers, and beginners. You can feed an Arduino board a set of instructions for it to carry out certain tasks. It is able to read the inputs and turn them into an output, for example, it will read a finger on a button and turn on an LED. ...
This will make it easier to insert and remove the panel. Later we will add some 3D printed parts to make it simpler to move the board and hold the LEDs in place, but for now we can use a partially inserted wood screw added near the edge to help pick up the board when we need to...
My Arduino kit contains a Arduino UNO clone. This was bigger than I wanted so I settled on a cloned Arduino Nano from eBay which was about $10. This had the digital inputs I wanted, more than enough memory to hold the simple sketch I’d write, could be run from a 12V DC plug pac...