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==Technical solution==  | ==Technical solution==  | ||
*Movement  | |||
According to the survey, find the easiest way to drive the ball - put a car powered by a motor inside the ball.  | |||
*Sensing solution  | |||
Currently intends to rely on the camera to track the human body to convey the information of human approach.  | |||
==Experiments==  | ==Experiments==  | ||
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