Ergodox Keyboard with Trackball ⌨ ∞

By Xah Lee. Date: . Last updated: .
ergodox keyboard red trackball tray
Ergodox keyboard trackball tray. 3648×2736 (built by Kurt Plubell (aka kurplop), photo by kurplop, , img src geekhack.org)

The red trackball is probably from Slimblade Trackball

ergodox keyboard mod with trackball 1 2013-04-17
ErgoDox keyboard mod with trackball . (photo by kurplop at http://geekhack.org/…)

See those 4 buttons in the middle? smash, smash!

The trackball in the middle is from Kensington Expert Mouse. The ring around it functions as a scroll wheel.

ergodox keyboard mod with trackball 2 2013-04-17
ErgoDox keyboard mod with trackball . (photo by kurplop at http://geekhack.org/…)

Ergodox Heart Keyboard

ergodox heart keyboard 2015-08
Based on ergodox, trying to improve the thumb cluster. 〔from https://deskthority.net/workshop-f7/split-ergonomic-keyboard-project-t1753-990.html

my review of ergodox at Ergodox Keyboard Review.