My first DIY "midi controller". I use it to experiment in Reaktor 6. : r/synthesizers
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Build Your Own Arduino-Controlled, Velocity-Sensitive MIDI Keyboard - Hackster.io
DIY USB Midi Controller With Arduino: a Beginner's Guide : 10 Steps (with Pictures) - Instructables
The People Who Created the DIY MIDI Revolution -
brain for your DIY MIDI controller - Ableton Forum
Keypad Controller Mechanical Keyboard DIY for Photoshop | Etsy
4 Things to Consider when Designing your own Hardware Music Controller
How to build a MIDI controller (in less than 6 minutes) | MusicRadar
Build you own MIDI Keyboard Controller from Data Point Ltd on Tindie
Teensy Liberates The ThinkPad Keyboard | Hackaday
Building a split mechanical keyboard with a Raspberry Pi Zero controller - Raspberry Pi