How to Build DIY Arduino USB Expression Pedal for Efektor WF3607 | Kuassa
Microdesignum MIDI Forte 16F2D-2P Plus - foot MIDI controller with 2 expression pedals and eth cable connection
MIDI Expression Pedal EX3. Programmable and configurable. An autonomous MIDI expression pedal for sending CC events (e.g. Volume or Modulation), Pitch Bend or Aftertouch. : Amazon.co.uk: Musical Instruments & DJ