This is an ARM-powered 65% keyboard PCB with USB Mini B connector and breakout for optional RGB underglow.
Make example for this keyboard (after setting up your build environment):
STM32F042xx chips does not allow jumping to bootloader without BOOT0 being set to high, therefore it is impossible to enter the bootloader from sending a
RESET keycode nor using bootmagic or bootmagic lite.
The only way to enter bootloader is to hold the BOOT0 button while the keyboard is powering up or after a power reset (done by pressing the reset switch or sending a