umidi and other custom MIDI controllers | Controllerism.com
DIY MIDI Kits - DJ TechTools
This modular system lets you snap together your own MIDI controller
DIY MIDI Controller | Overview | Wikifactory
The People Who Created the DIY MIDI Revolution -
Custom controller for Conscious Youth • Shantea Controls Blog
Yaeltex - Custom MIDI controllers - Design your own hardware
Esoteric Versus Custom Midi Controller Launched
Turnado MIDI Controller
ASK ME ANYTHING! These are custom MIDI controllers by Yaeltex. USB + MIDI, configurable controls, wood case, high-quality components. 👽 Worldwide shipping from Argentina 🎛 : r/synthesizers