When Josie and I saw the Trellis - an illuminated button pad - we just knew we needed to invent a project so we could get one.<br><br>Summary video: <a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/watch?v=fImjUiyOqV8">https://www.youtube.com/watch?v=fImjUiyOqV8</a><br><br>This project is pretty simple hardware-wise, but flexible enough that it can be programmed with plenty of neat functions. For example, you could label the buttons and turn it into a simple calculator. My audience is just learning addition and subtraction, so we made a couple of simple math games and a puzzle game.<br><br>Full write up on my blog: <a target="_blank" rel="noopener noreferrer" href="https://www.keclaytor.com/2020/02/15/multi-pad/">https://www.keclaytor.com/2020/02/15/multi-pad/</a>