A pseudo-split keyboard with 2+4x3+2 vertically staggered keys and 4+1 thumb keys for each hand.
Make example for this keyboard (after setting up your build environment):
make handwired/acacia:default
Flashing example for this keyboard:
make handwired/acacia:default:flash
See the build environment setup and the make instructions for more information.
Enter the bootloader by using the small buttons on the PCB: press the RESET button while connected to QMK Toolbox.
Then you can flash the HEX file you built above.