Try one of the following projects to get an understanding of how to use MIDI with Arduino, then you will have a good foundation to create your own project:
Try one of the following projects to get an understanding of how to use MIDI with Arduino, then you will have a good foundation to create your own project:
Basically you can have a foot control send any Midi Control Change, Mod Wheel or Pitch Bend. With creative programming you can get it to delay Note off events from within the micro controller (kind of like the sustain pedal on a piano). it depends on how complex you want to get with it.