A ortholinear 5x12 keyboard made and sold by Keycapsss. More info at Keycapsss.com.
Make firmware .hex for this keyboard (after setting up your build environment):
make keycapsss/o4l_5x12:default
Example of flashing this keyboard (or use QMK Toolbox):
make keycapsss/o4l_5x12:default:avrdude
See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.