The tablet that turns to follow your face as you move.
It uses OpenCV's haarcascade to find front-facing faces and communicates over bluetooth with an arduino to move itself around.
This wheel is used to as the stand to move the tablet.
Note: This will NOT work unless you change the variable "address" in the Android MainActivity.java file to match your own bluetooth module's MAC address.
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Android app, PCB design
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Orginal idea, PCB design