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Help with handwired Skeletyl
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this post was submitted on 06 Sep 2023
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haven't handwired a board yet, but no matter whether it's with pcb or handwired, you'll either need enough pins to direct-connect every single switch (probably not the case) or you'll have to use a diode-matrix. for learning about those, i'd suggest taking a look at this kbd.news article: https://kbd.news/The-Japanese-duplex-matrix-1391.html
for a general handwiring guide, check out Joe Scotto's stuff, e.g. https://www.youtube.com/watch?v=hjml-K-pV4E
I have already wired the switches. Guided by Scotto's videos. It's a 5x4 matrix with no keys on the bottom row on 1,2,9,10. There are similar shields for the zmk firmware. My problem lies in the identification of row/column to pin connection.
Columns starting from the pinky: F5, B6, D7, E6, B4
Rows starting from the top: F7, C6, D4, B5
The pinout for the pro micro and nice!nano should be the same, I'm just using the AVR pin names but F7 is the same as pin 18, for instance.
Edit: Looks like you wired COL2ROW instead or ROW2COL. By the way, the wiring of the columns is a bit different from the original.
But none of this really matters, your keyboard looks great! You should be able to connect to any digital pins and program it to work just fine.