ZMK firmware for TBK Mini

Official repository for the TBK Mini: https://github.com/Bastardkb/TBK-Mini.

This is my attempt at firmware for a TBK Mini running on nice!nano v2s.

Building

I'm still pretty clueless about ZMK. I don't use the GitHub actions build system (although after installing all the Zephyr dependencies I can understand why it's there!) so here's how I do it:

• This assumes you've followed the instructions at https://zmk.dev/docs/development/setup to setup your build environment.
• Clone the zmk repo
• Copy the tbk_mini directory from the top level of this repo to zmk/app/boards/shields
• Build from within the zmk/app directory using: west build -p -b nice_nano_v2 -d build/left -- -DSHIELD=tbk_mini_left
• Replace occurrences of 'left' with 'right' to build the right half
• The UF2 files will be at zmk/app/build/<left|right>/zephyr/zmk.uf2

Replace nice_nano_v2 with your board name if you're using a different MCU.

Keymap

My keymap is in config/tbk_mini.keymap.

You can compile the firmware with this (or your own config) by setting the path to the config directory as the -DZMK_CONFIG build flag.

The keymap has a default layer, a function layer, a nav layer and a hold-tap symbols layer.

The function layer contains the F keys, numbers and some layer toggles.

The nav layer contains arrows and nav (HOME, END etc.), and some media keys.

The symbols layer is activated by tapping the shift key. A quick tap plus the necessary key(s) will output symbols, e.g. tapping shift then 'W' and 'E' will give a pair of parentheses.