* \li Elektor Magazine, "20 x Open Source" by Jens Nickel, March 2010 Issue
* \li Circuit Cellar Magazine, "Advanced USB Design Debugging" by Collin O'Flynn, August 2010 Issue
* \li "Some Assembly Required: Assembly Language Programming with the AVR Microcontroller" by Timothy S. Margush
* \li Elektor Magazine, "20 x Open Source" by Jens Nickel, March 2010 Issue
* \li Circuit Cellar Magazine, "Advanced USB Design Debugging" by Collin O'Flynn, August 2010 Issue
* \li "Some Assembly Required: Assembly Language Programming with the AVR Microcontroller" by Timothy S. Margush