This one has been around the block a time or two, but considering you have absolutely nothing else to do on a Sunday, you might as well dust off that DIY kit and get to work. What you're looking at above is a genuine (albeit modified) NES controller playing a bona fide classic on a laptop. Amazingly, all of the software required for such a marvelously good time is stuffed tight within the controller itself. Take a step back and digest that -- your very own NES emulator (with ROMs), shoved inside a Nintendo Entertainment System controller. Does it get any more awesome than that? Hit the read link to start building your own and let us know. Video of the action after the jump.