Simple and cheap DIY volume (or midi) pedal | TalkBass.com
4E Dual Axis Expression Pedal - db Instrument Amp
Arduino Based MIDI Volume Pedal - Codeduino
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
Crumar UP4 USB-MIDI Expression Pedal | Sweetwater
Remote Volume (VCA) - MIDI volume pedal
MIDI Expression Pedal (standalone)
MIDI Solutions Pedal Controller; Continuous MIDI Data Generator
Build your own DIY MIDI expression pedal with Arduino | G14 studios - YouTube
MIDI Solutions Pedal to MIDI Converter – Thomann United States