this is the code on the wearable device's arduino
http://spaz.org/~jake/r/mccad/arduino/pantsSender/

this is the code on the receiver arduino
http://pantsinterface.com/code/pantsReceiver.pde

this is the code on the keyboard emulator arduino
http://pantsinterface.com/code/pantsDecoder1.pde

here is an emulator.  it has a wiring diagram to hook up the usb output.

http://www.practicalarduino.com/projects/virtual-usb-keyboard

here is the code for the usb emulator

http://code.google.com/p/vusb-for-arduino/

arduino code that takes button presses from four different buttons, and turns an indicator light on if any button is pressed.

indicator_light_for_jeenode.pde

arduino code

mostly we only changed cardboard_box_receive and there is more work to be done, it's only in the debug stage, with the receive meant to be connected to the computer in serial-monitor mode, not yet ready for midi but..

cardboard_box_receive2.pde