The following is the QMK Firmware for the Polaris-Compatible Hotswap and Solder PCB's developed by FJLaboratories (FJLabs).
Make example for this keyboard (after setting up your build environment):
make fjlabs/polaris:default
See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.
Bootloader can be entered by pressing the reset button near the main microcontroller while the board is plugged in. Alternatively, it may be entered by holding the top-left-most switch and plugging in the PCB while held.