this post was submitted on 01 Aug 2023
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ErgoMechKeyboards

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Ergonomic, split and other weird keyboards

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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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I took a WaveShare RP2040-Touch-LCD-1.28and made a program to use it as a touchscreen. This is still very much in the beta phase but the proof of concept works. Here’s my GitHub repo for it.

I’m planning on integrating it into my next split near the thumb cluster.

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[–] [email protected] 4 points 1 year ago (1 children)

That's really cool! Looking forward to future updates, great work.

[–] LazaroFilm 1 points 1 year ago (2 children)

Thanks! Updates so far are:

  • turns out there is no multitouch, so no two finger right click or two finger scroll. I’ll need to work something else out. Likely will have to be. Key plus scroll or something…
  • there are only 6 pins exposed and none are I2C but you can use BitBang_I2C library to expose them then use an I2C expander board to use it in a full keyboard.
[–] naznsan 2 points 1 year ago (1 children)

Regarding the scrolling, do you reckon it'll be possible to implement it like how the Galaxy Watches do their scrolling?

If you touch the edge of the screen and rotate it, it scrolls clockwise and anti-clockwise. Works decently enough although I do prefer the physical wheel.

[–] LazaroFilm 2 points 1 year ago

I just updated the GitHub repo. It now has circular scrolling. Still. But buggy but it’s progressing!!!

[–] Raffowo 2 points 1 year ago (2 children)

Just to give some extra inspiration,

The multitouch gestire would be kinda unusable, but for scrolling I suggest to steal the same gestire from the japanese Toshiba laptops. They have a circular trackpad and for scrolling use the Edge of the trackpad with clockwise and counter-clockwise movement.

I know that I made It sound confusing, but if you see a video of that in action Will be Easy af to understand!

[–] LazaroFilm 3 points 1 year ago

And it’s implemented and pushed to GitHub. Scrolling is a bit jerky right now but it works!

[–] LazaroFilm 2 points 1 year ago* (last edited 1 year ago)

Actually that makes perfect sense and I live the idea! All it has to do is check where your initial touch was. If I’m ce center, then trackpads off on the edges of the circle then scroll. I may even be able to use LVGL to make that even better in the future. Thanks for the tip. And for right click I am planning on a hold, and tap+hold for drag.