Cradio are minimalist 34-key split-keyboards designed with no diodes, using direct micro-controller pin wiring.
Make example for this keyboard (after setting up your build environment):
make cradio:default
Pro Micro RP2040 controllers are supported with QMK Converters. The make command example for Adafruit's KB2040 are:
make CONVERT_TO=kb2040 cradio: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 configured.