Keyboard: https://stenokeyboards.com/products/the-uni-v4
Gemini PR firmware to use with Plover's Gemini PR mode.
Qwerty layout to use with Plover's keyboard mode.
Gemini PR firmware with the bottom left thumb key mapped to a layer switch.
Press and hold the bottom left number key and the row in the middle turns into a utility bar with all the modifier keys, arrows, and volume keys.