Caterina-Bootloader This is the repository to store the Adafruit variations of the Caterina Bootloader Recommended to build with: LUFA: 111009 make: 3.81 avrdude: 5.11.1 avr-libc: 1.6.7 binutils-avr: 2.19 gcc-avr 4.3.3 YMMV!