On Tue, 28 Aug 2007, David Merrill wrote:
A hacked USB keyboard makes a nice button-bank, and you can typically strip away most of its size, leaving just a little circuit board with wires coming out to your buttons. You can read the button-presses with Hans's [hid] object. here's one that we did some time ago... http://www.instructables.com/id/EDH81H8H62EQZJIDV8/
Maybe it's just me, but I'd rather try to hack the driver or the cable (e.g. using PS2-to-serial converters) rather than open the keyboard's case. With those solutions, it doesn't take more effort to support more buttons.
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