Most of the time, engineers seem to be non-creative people. But that's not true! We are much more creative than people thinks. Recently I had to find a original way to ask my girl to be my girlfriend, so after a little brainstorm, I decided to use some components that have found in my desk to make the date very special for her. I programmed some nice sprites on the matrix and after some seconds, it turns on the light inside revealing the message. Add some flowers, a romantic place, good food, ask her to turn on the box and be prepared to the success. In my case, she said yes. Check the full tutorial on http://bit.ly/2H7iedv .