This folder contains my split_3x6_3 board layouts Check out the user readme for more info.
Using this Proton-C compatible PCB.
Applying the similar keymap to @waffle;
using their crkbd:rev1:arm
build.
Build commands;
CFLAGS="-Wno-error=deprecated" qmk flash -kb crkdb/rev1 -km bbaserdem -bl dfu-util-split-{left,right}