Four custom USB controllers.
https://files.mastodon.social/media_attachments/files/111/367/174/940/395/453/original/a1c94cb3fff30f42.jpeg
Whew! I think I've been working on this family of controllers for most of the year. (Well, on and off, with long breaks in-between.) Honestly I'm glad I didn't launch these earlier because the new printer has just upped the quality so much.
These are USB HID or USB MIDI controllers... I redesigned devices I've been building since 2020 based on over two years of lessons learned. (And a chip shortage thrown in for fun!)
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