How to modulate a Game Boy with basic hardware from the basics of Korben's website

When I was young, I had the chance to have an original Game Boy and over the years, I had accumulated quite a lot of games. Unfortunately one day, an evil member of my family stole almost everything to sell them to I don't know who, but I still managed to save my original GB and especially Tetris which is, still today, my favorite game. I don't play it often, but I know that if one day it breaks down, thanks to this project, I could fix it witho…