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We discovered in our life experience that every time when we hear the ambulance sirens, the car drivers look around to search for the ambulance in order to give way to it. Moreover, the ambulance crash into the other car at the intersection from time to time.
First aid Path utilizes 3D projection skill and Bluetooth 4.0. Whenever there is an accident, First Aid Path turns on the projection by the path that ambulance goes, so the car drivers would know very clearly the path that ambulance goes. And the lights shut off after the ambulance passes by.
National Yunlin University of Science and Technology