Kinect for Xbox 360 is a coolest motion controller, T3 was able to get the magic behind Microsoft's Kinect camera. Kinect behind the scenes on how this Xbox 360 peripheral works, and as part of the tour, it also saw the innocent sensor sitting bare naked in the lab. As you can see below, this device actually has a lot to pack in -- namely a RGB camera for facial recognition plus video capturing, a depth sensor (an infrared projector paired with a monochrome CMOS camera) for movement tracking, four downward-facing mics for voice recognition, a quiet motor in the bulky base for rotation, and all the circuitry components to link them up. Look at the screenshot below, and refer the link below for detailed briefing.
For Detailed Technical Info: Xbox Kinect: How the movement tracking works