PC USB NES Controler

Thanx to the l33tness of
any one can have a USB NES controler. I got the retrokit and made mine. But you can buy one for $25. I did it before I made the NESpc, and did not take pictures. The images are not mine they are from Joystiq.
Here's the reto kit. (dousn't really seem like a kid douse it?) The big black chip has the usb processing instructions. Eight of them. One for each button; up, down, left, right, start, select, b, and a.
Unscrew the gamepad case with a philips head screw driver. I think this was the hardest part! The japanese assembly line really workers really knew what they were doing.
Inside the controller you will find the circut board with five wires attached. I think it's amazing how there's basically nothing inside the case.
The next step is to cut off and discard the old nintendo cord. Make sure to leave some bare wires. When you re-wire it to the USB chip you will need some slack.
After that you need to strip the old NES wires. Removing the entire circut board from the case is not necessary.
Here's the wireing diagram that comes with the retro kit. At the core of the kit is a micro controller- PIC16C74, this little chip is well known in the USB engineering circles for creating USB based hardware.
Also included in the kit are two resistors, two capacitors, and some wires. This is how the whole thing looks after it's all solderd. If your weary about this part, take note, this was the first thing I ever soldered. And mine woks great! All you need is a steady hand and some patience.
This is the sweetest thing ever. Whether you have an NESpc or not. Just plug in the controller, XP makes that noise, and that's it. Open up your emulator, I use FCE Ultra, and it discovers the retropad automatically.

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