this post was submitted on 10 Feb 2026
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Mechanical Keyboards

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DIY 3D printed case for the Yushakobo Primer61 PCB I got in Japan over the holidays. I didn't buy one of their BLE Pro Micro boards, but had a Nice!Nano clone, so I learned just enough ZMK to port it over and use it wirelessly. More HERE. Not my cleanest print, but I'm happy, and pretty stoked I didn't set it on fire trying to use an unsupported MCU with a wireless firmware.

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[–] waht@feddit.org 2 points 4 weeks ago (1 children)

But how do you type numb...oh wait :D

Nice board! Good job for figuring out ZMK - it is a totally different approach over QMK. I prefer it over QMK, because it has more options out of the box for hold-taps and the like.

[–] wjrii@lemmy.world 2 points 4 weeks ago (1 children)

Well, I cheated. While I was in the middle of trying to learn how to properly set it up, somebody on the ZMK discord released ZMK Shield Wizard, which let me set the layout and get a repository with a properly compiling Github Action set up, despite my not being a coder in any meaningful sense of the word. Then all I had to do was figure out how to map the Japanese Duplex matrix that Yushakobo uses to work on ZMK's charlieplexing matrix-scanner (mostly trial and error). I understand you lose one of the killer features for battery life, but I was extremely pleased it worked at all. I flashed the ZMK Studio firmware file it built and "fixed" my layout there.

[–] waht@feddit.org 2 points 4 weeks ago

Oh wow. That

[–] robolemmy@lemmy.dbzer0.com 2 points 1 month ago

60% is the one true way!

[–] ulterno@programming.dev 1 points 4 weeks ago (1 children)

Waiting for you to show a proper 100% full size on 60% day.

[–] wjrii@lemmy.world 2 points 4 weeks ago* (last edited 4 weeks ago) (1 children)

I've got a cold solder joint to fix in THIS handwire, but maybe it will do...

[–] ulterno@programming.dev 1 points 4 weeks ago

Ooo! 24 function keys!