readme tweaks

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mintey 2021-03-04 18:36:51 +02:00
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# smol GKOS controller
A compact 6-button keyboard based on the [GKOS chording system](http://gkos.com/gkos/gkos-charset.html) with a small blackberry-style trackball mouse.
A compact 6-button keyboard based on the [GKOS chording system](http://gkos.com) with a small blackberry-style trackball mouse.
I wanted a combined keyboard + mouse to plug into a single USB port (simpler for USB OTG, and less wires to wrangle around) for controlling single board computers like Raspberry Pis, media PCs etc. I also wanted to try if the GKOS layout would be practical for use in terminal environments as well as more general use.
![a mint green 3d printed wedge shaped controller with four pink mouse buttons on one side and six white keycapped mechanical switches in two columns on the other](doc/gkos.jpg)
***Please note that I don't recommend you build one of these as-is, as there are quite a few improvements I'd like to make in a second version in the future (detailed below). It is a usable device, but it's up here more as a resource and less a ready-to-go thing to build.***
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- short countersunk M2 screws and nuts
- three 3mm LEDs + 51k resistors (will vary depending on the specific LEDs)
- M2x3.5x8mm heat set inserts
- 3D printed case parts **(see the case/ folder for documentation!)**
### Layout changes and additions
The keyboard layout follows the official GKOS character set fairly closely, but has a few changes made for use with desktop computers.
The keyboard layout follows [the official GKOS character set](http://gkos.com/gkos/gkos-charset.html) fairly closely, but has a few changes made for use with desktop computers.
- an additional function key layer (similar to how the symbol set works), activated with the chord ACDE (in terms of the six physical keys pressed on their own)
- F1-F10 mapped to the same places as the number keys, F11 = L/@, F12 = M/½
- print screen = delete