Author Topic: Oddball - a split keyboard with trackball  (Read 1976 times)

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Offline grubnatius

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Oddball - a split keyboard with trackball
« on: Thu, 21 January 2021, 20:17:52 »
The Oddball Keyboard

260204-0
Version 2

260206-1
Version 1

I shared this around a few places, but thought it'd be good to document on geekhack. I've finished my second build/version of my design, following up from one I made earlier in 2020, which I dubbed the Oddball.

Features
  • trackball (supports both PMW3360 or ADNS9800 sensors)
  • split design
  • columnar stagger
  • 5 typing angle
  • 8.5 tenting angle
  • separate plane for thumb clusters
  • USB-C to host (PC)
  • TRRS to link halves

Links

Offline jamster

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Re: Oddball - a split keyboard with trackball
« Reply #1 on: Thu, 21 January 2021, 20:59:46 »
That's brilliant- great colour scheme and overall theme too!

I am surprised that you get by with so few thumb keys. Guessing that one of the left thumbs is a layer activation key, but is there another somewhere else?
« Last Edit: Thu, 21 January 2021, 21:01:28 by jamster »

Offline grubnatius

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Re: Oddball - a split keyboard with trackball
« Reply #2 on: Thu, 21 January 2021, 21:54:09 »
...

I am surprised that you get by with so few thumb keys. Guessing that one of the left thumbs is a layer activation key, but is there another somewhere else?

Yep, you guessed it, layer 1 on the left thumb, layer 2 on the right. I've changed it slightly since this pic, but the basic layout is:


Offline jamster

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Re: Oddball - a split keyboard with trackball
« Reply #3 on: Fri, 22 January 2021, 05:21:22 »
Interesting to see that your Fn and number(pad) keys do not overlap at all.

Offline suicidal_orange

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Re: Oddball - a split keyboard with trackball
« Reply #4 on: Fri, 22 January 2021, 06:34:28 »
Impressive that you can get by with to few keys, your mapping looks crazy to me (alt on home row over backspace, space outside ; and gaps between home end pg up and down for a start) but you have your reasons no doubt.

Looks great too :thumb:
120/100g linear Zealio R1  
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'Split everything' perfection  
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Offline jamster

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Re: Oddball - a split keyboard with trackball
« Reply #5 on: Fri, 22 January 2021, 08:01:24 »
Huh, Enter is on a layer... I've got two thumb-actuated Enter keys and use both.

Offline ergonaut

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Re: Oddball - a split keyboard with trackball
« Reply #6 on: Fri, 22 January 2021, 08:07:56 »
It looks absolutely glorious, well done!

For my own taste, there's way too few thumb keys, but as long as it works for you...

Offline grubnatius

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Re: Oddball - a split keyboard with trackball
« Reply #7 on: Wed, 27 January 2021, 07:48:41 »
Huh, Enter is on a layer... I've got two thumb-actuated Enter keys and use both.

It looks absolutely glorious, well done!

For my own taste, there's way too few thumb keys, but as long as it works for you...

Yep, seems a common opinion people bring up. The code is pretty easy to tweak, so I'm thinking of generating some files with 3 thumb keys on the left and 2 on the right, and adding the files to the repo.

Offline kurplop

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Re: Oddball - a split keyboard with trackball
« Reply #8 on: Wed, 27 January 2021, 11:33:06 »
Very nice and unique design. Well executed.

Offline darryldh

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Re: Oddball - a split keyboard with trackball
« Reply #9 on: Tue, 16 March 2021, 09:14:36 »
love this board so much!