⚠️ This is a partially tested project. Do not use to create your own copy unless you are willing to debug the hardware and/or firmware.
Bootloader is pre-loaded on assembled pcbs. If you source your own BLE module you will need to unlock the module and flash the bootloader using the Nordic nrf command line tool.
$ nrfjprog --recover --log
$ nrfjprog -f nrf52 --program firmware/bootloader/COBO_nrf52840_bootloader-0.3.2-184-g64ea299_s140_6.1.1.hex
- See ZMK docs for instructions on setting up ZMK and custimizing firmware.
- Default *.uf2 files are pre-loaded on assembled pcbs. If you sourced and assembled your own pcb, you can file deafult pre-built firmware here:
- Source files for pcb are in this repo. They are split into three kicad projects:
- SP56: main pcb, left and right combined.
- SP56_Bottom: Bottom cover PCB. Left and right use the same part so only one copy is created.
- SP56_Plate: Switch plate PCB. This must be 1.2mm pcb to allow Kaihl Choc V1 switches to snap in. Left and right use the same part so only one copy is created.
- NOTE: KiCad files are created with nightly KiCad 5.99 builds, they are not compatible with current stable release of KiCad 5.
- Bill of materials BOM Link
