Tinkerer Psykokwak has figured out Urbi integration – an open-source robotics software platform – to give the AR.Drone object-tracking abilities (in this case it can identify and follow a red ball) as well as broader control options, including a Wiimote, a joystick or pretty much anything else that can hook up to your computer, in a mere 25 lines of code.
Read more at [tywigs.org]