commands
- arduino-cli compile --fqbn adafruit:avr:protrinket5 [project name]
- arduino-cli upload -P usbtinyisp --fqbn adafruit:avr:protrinket5 [project name]
pre-reqs
- arduino-cli core install adafruit:avr
- (linux) arduino-cli core install arduino:avr
- (linux, maybe) install udev rules for trinket pro + restart udev