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this post was submitted on 16 Jun 2024
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ErgoMechKeyboards
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Ergonomic, split and other weird keyboards
Rules
Keep it ergo
Posts must be of/about keyboards that have a clear delineation between the left and right halves of the keyboard, column stagger, or both. This includes one-handed (one half doesn't exist, what clearer delineation is that!?)
i.e. no regular non-split¹ row-stagger and no non-split¹ ortholinear²
¹ split meaning a separation of the halves, whether fixed in place or entirely separate, both are fine.
² ortholinear meaning keys layed out in a grid
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Some useful links
- EMK wiki
- Split keyboard compare tool
- Compare keycap profiles Looking for another set of keycaps - check this site to compare the different keycap profiles https://www.keycaps.info/
- Keymap database A database with all kinds of keymap layouts - some of them fits ergo keyboards - get inspired https://keymapdb.com/
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I'm using ATmega micros, on my Lily58. If I remember correctly, the default QMK behaviour was to use the USB to select which half was the master and what side it was on. That would work on RP2040 boards just as well so that may be what the provided firmware does.
I would suggest you just flash them both then see what they do. If they are swapped, try connecting the USB to the other half. If that works then you don't have a problem. There's no risk of damaging them and the RP2040 is pretty easy to reflash.
I wasn't satisfied with that method and set QMK to store the sides in eeprom so I could use the same firmware but connect to either one. I'm not sure if the 2040 has a separate non-volatile memory so you'll likely need a different method. I think a GPIO can be grounded to set the side but the Lily58 doesn't do this. You could add a bodge wire if you want this but you have to customise QMK to use that method.