Yearn for the days where four buttons and a D-pad is all you needed for entertainment? Check out this NES-controller espresso machine mod. Yes, some guy was bored enough to actually hook up his NES game-pad to a cappuccino machine—which is harder than it sounds.
We'll save you all the stuff you need at least a bachelor's in EE to understand, and just say that this man is a huge nerd in more ways than one. Definitely cool though.