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[* black] With the headset and controllers torn asunder, we move right along to one of the Lighthouse base stations. What secrets does it hold? Let's find out!
[* black] Firing up our IR camera, we get a glimpse of the internals through the IR-transparent front panel—an array of bright IR LEDs, and a pair of motorized lasers make the Lighthouse [https://www.youtube.com/watch?v=i7iSkdRRWcE|shine bright|new_window=true].
[* icon_note] While the Rift works with an IR camera doingand some fancy machine vision operations onsoftware to follow the Constellation[guide|60612|Constellation IR LED array on the headsetLED|stepid=126455|new_window=true] array, the Vive uses an entirely different system[http://gizmodo.com/this-is-how-valve-s-amazing-lighthouse-tracking-technol-1705356768|system for position trackingtracking|new_window=true].
[* black] The pair of Lighthouses alternate flashing theirEach Lighthouse flashes its IR LED arraysarray, signaling the start of a cycle. Then verticalVertical and horizontal lasers then sweep across the room, and all of those fancy photosensors on the headset and controllers start looking for lasers.
[* icon_note] While the Rift works with an IR camera doingand some fancy machine vision operations onsoftware to follow the Constellation[guide|60612|Constellation IR LED array on the headsetLED|stepid=126455|new_window=true] array, the Vive uses an entirely different system[http://gizmodo.com/this-is-how-valve-s-amazing-lighthouse-tracking-technol-1705356768|system for position trackingtracking|new_window=true].
[* black] The pair of Lighthouses alternate flashing theirEach Lighthouse flashes its IR LED arraysarray, signaling the start of a cycle. Then verticalVertical and horizontal lasers then sweep across the room, and all of those fancy photosensors on the headset and controllers start looking for lasers.
[* black] The tracked headset or controller can then determine its position based on the order its sensors receive the laser sweeps.