My Weecade - Xbox Based Arcade Machine - Part 7

For the control panel I opted for the standard two player layout. Six buttons per player plus the 1P/2P buttons.  To interface the joysticks and buttons I decided to use two old Xbox type S controllers. After stripping them down to just the PCB and with help of this site slagcoin.com I soldered onto various points for each of the original Xbox buttons. This meant I could just plug the controllers directly into the mother board controller ports.

The control panel buttons I went for are actually illuminated. Each has a small 12V bulb inside. After getting the buttons working and illuminated I decided they would look much better if they could be lit in sequence like some sort of arcade fruit machine. So I set to work coming up with something. After a few days tinkering I had a circuit built using an Atmel AVR microcontroller using 16 logic level FETs to drive each of the bulbs. With another button to switch patterns. The code was written in such a way the additional patterns could be added with minimum fuss. There are only two patterns, plus all on and all off at the moment but I do plan to add some more later.