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Originally Posted by seanwitte
The CMUCam and a fluorescent traffic vest would be a workable solution.
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True! This could detect angle from a fixed position (probably the ball launcher).
Perhaps if you want a true X-Y detection system of the range of a half court, you could place an ultrasonic sensor on a servo to perform a sweeping motion. Allow the sensor to perform a full scan before doing calculations and launching the ball.. which could take 2 ~ 3 seconds, which should be acceptable
