* - Teensy and Teensy++, two other AVR USB development boards: http://www.pjrc.com/teensy/index.html
* - U2DIL/U4DIL, a set of DIP layout USB AVR boards: http://www.reworld.eu/re/en/products/u2dil/
* - USB10 AKA "The Ferret", a AT90USB162 development board: http://www.soc-machines.com
* - Teensy and Teensy++, two other AVR USB development boards: http://www.pjrc.com/teensy/index.html
* - U2DIL/U4DIL, a set of DIP layout USB AVR boards: http://www.reworld.eu/re/en/products/u2dil/
* - USB10 AKA "The Ferret", a AT90USB162 development board: http://www.soc-machines.com