Boards used on:
Enter Bootloader: Press Reset / Press Boot / Release Reset / Release Boot
Install libusbK driver for usbasp: https://zadig.akeo.ie/
make plaid:jarred:program
Press Reset
https://github.com/hsgw/plaid/blob/master/doc/en/bootloader.md https://github.com/hsgw/plaid/blob/master/doc/en/firmware.md