MusicRadar's Matt Mullen and Andy Price have been roving the show floor – here are their music technology highlights ...
All switches are connected at one end to a pull-up input, and connect to ground on close. The analog input for the food pedal expects a potentiometer (e.g. 10k). Note that the MIDI output is used.
This will allow you to use the Creative Prodikeys PC-MIDI USB keyboard on your modern windows (tested on win7 64bits, should work on win10 as well) ...