- Setup VS Code and Dev Container: https://zmk.dev/docs/development/setup#initialize--update-zephyr-workspace
- Run
bin/create-docker-volume.sh - Follow instructions for building splits: https://zmk.dev/docs/development/build-flash#building-for-split-keyboards
- Follow instructions for building from zmk-config: https://zmk.dev/docs/development/build-flash#building-from-zmk-config-folder
When specifying the -DSHIELD flag, make sure it's -DSHIELD=<name of .keymap file>_left. So for config/kyria_rev3.keymap, the flag will be -DSHIELD=kyria_rev3_left