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Central to the Lighthouse technology are the Base Stations, small rectangular objects placed in the room. They serve as reference points for any positionally tracked devices such as the HMDs and controllers. Base Stations perform this function by flooding the room with a non-visible light, the receptors on the tracked devices would intercept the light and figure out where they are in relation to the Base Stations. Multiple Base Stations (2 for SteamVR) allow the tracked devices to figure out where they are in the 3D space.
Each Base Station contains numerous LEDS and 2 laser emitters that spin rapidly. 60 times per second, the LEDs would flash and 1 of the 2 spinning lasers would sweep a beam across the room.
==Non-VR Applications of Lighthouse==
