• Adafruit pro trinket 5V
• platformio installed

[platformio] home_dir = .pio

• ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
• brew tap osx-cross/avr
• brew install avr-libc
• brew install avrdude --with-usb

• sudo apt-get install gcc-avr binutils-avr gdb-avr avr-libc avrdude
• sudo apt-get install gcc-avr binutils avr-libc avrdude

• pio lib search trinket
• pio lib install 759

• pio run -t upload