Objective Development (the developers) are a nice company, also providing V-USB - a bitbanging USB implementation for AVR microcontrollers without USB support.

Objective Development (the developers) are a nice company, also providing V-USB - a bitbanging USB implementation for AVR microcontrollers without USB support. https://www.obdev.at/products/vusb/index.html https://www.obdev.at/products/vusb/index.html