CV for color/hue input

[SleepyRon]

Two difficulty levels on this one:

Easy:
Use currency to purchase this cv to midi module that is prebuilt or DIY-able:

CV_thing - Befaco

I Wanna Make My Own Interface, DAMMIT:
You may be interested in this DIY thread started by the community:

Weekend fun - DIY CV to MIDI converter

So I have had an electronics hobby for awhile, making various things with Arduino, sometimes related to music gear. I decided to take up the challenge of a CV to MIDI converter because I have plenty of parts laying around, and can always use an excuse to buy what… $15 in electronics? I am using a Pro Micro board, which can use the MIDIUSB library (though not as host, which is fine – we do not want that here). I followed the MCP600x input style recommended all over the place for eurorack format …