$500 Drone Calculates Its GPS Coordinates Offline from Downloaded Google Maps and a Camera

From a report:A team of drone enthusiasts have built a sub-$500 drone that uses a camera and Google Maps to provide itself with GPS co-ordinates, removing the need for a GPS satellite signal. And all of this was done in 24 hours during the El Segundo Defense Tech Hackathon. The drone the trio opted for is a custom designed and 3D printed fixed wing featuring a large single motor towards the rear and a downward facing camera used for geo-referencing... Doesn't Google Maps still require internet, you may ask? Google Maps allows users to download segments of maps ahead of time, usually for use when you are travelling or camping out in remote areas. In this instance, the team used this feature to their advantage, allowing the drone to continue operating... Thanks to long-time Slashdot reader schwit1 for sharing the news.

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