Make example for this keyboard (after setting up your build environment):
make barleycorn:default
Flashing example for this keyboard:
make barleycorn:default:flash
Bootloader:
use usbasploader from HSGW's repository.
https://github.com/hsgw/USBaspLoader/tree/plaid
See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).