hello I recently did a try over bluetooth, with a SNES gamepad. I'm using a home-cooked code for the wonderfull UBW (pic18f2450), a rs232 bluetooth module and a dso nano (both comes from seeedstudio, thanks to them those stuffs are great!).

This way I can play FPSECE on my Samsung i900 Omnia. here is some picture (video will come soon).

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;)