UM-80 is a split keyboard in 75% layout with RGB, macro keys, OLED screen and encoder housed in PLA 3D printed cases sold by Merge. Product page
Make example for this keyboard (after setting up your build environment):
make merge/um80:default
See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.
Enter the bootloader in 3 ways:
QK_BOOT
if it is available.