2 * ATmega32U4 ([PJRC Teensy 2.0](http://www.pjrc.com/teensy/))
3 * AT90USB126 ([PJRC Teensy++ 2.0](http://www.pjrc.com/teensy/))
4 * AT90USB1287 ([Atmel USBKEY](http://www.atmel.com/tools/AT90USBKEY.aspx))
5 * ATmega168P with using [V-USB](http://www.obdev.at/products/vusb/index.html)
6 * ATmega328P with using [V-USB](http://www.obdev.at/products/vusb/index.html)
8 * AT90USB1286, 646, 647 should work
9 * AT90USB162 testing...
11 NOTE: To enable full features of firmware you'll need 32KB flash size.
13 Please add any tested microcontrollers to this list.