usbddr

usbddr is a firmware for the Atmel ATMega8 which implements an usb controller ("dance pad") for games such as stepmania (http://www.stepmania.com/).
In contrast to other homebrew dance pads, it uses capacitive sensing, eliminating mechanical wear and allowing adjustable sensitiviy.

Download: usbddr_v1.zip

update (11-23): project is featured at hackaday

For a complete list of projects based on V-USB see Objective Development's projects list.