I'm working on a school project. Typically I don't like to do things like this unless I will actually have a use for them. In this case the use is that it will be my final project while being perfect for my personal needs.
So, what I am trying to achieve is a matrix/grid system that will light up the box that my electrical parts are in on my work bench. kinda like in the video below. I really enjoyed how he managed this! and it would be close to how I would like to do mine, although I feel that the master slave arduinos really arent necessary! could I not just do it with one arduino uno? The point is that this is a little out of my reach in terms of know how.. But Ill never learn unless I do something like this so why not try!