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MIT 6 111 - Digital Whiteboard

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Digital WhiteboardThe Digital WhiteboardOverviewMotion DetailAction EvaluatorWhiteboard ControllerDigital WhiteboardNathan DavisShaun FoleyThe Digital Whiteboard Takes motion data from two axis accelerometers Position Information and Gesture Recognition to control interaction with whiteboard Functionality includes: freehand drawing or erasing, copy and paste, and interpretation of multiple movements as commands.OverviewAccelerometersFiltersAction EvaluatorWhiteboardControllerIntegratorsVGADisplayMotionDetailAction Evaluatorx, y, z (16)theta_{x,y,z} (4)vel_{x,y,z} (6)D (6)clk, reset(to all blocks)MovementEvaluatorMovementROM368 idx36 ideal36 weights5 mnum5max mnumActionEvaluatorAction ROM8 idx40 seq6 anum6actionto whiteboard moduleenx, y, z (16)theta_{x,y,z} (4)vel_{x,y,z} (6)D (6)368idx36ideal36weights5mnumMax Registerclk, reset(to all blocks).-5mnum36score>param deltasparam score3636MovementROM++Whiteboard Controlleraction6clk, reset(to all blocks)CommandInterpreterShape Drawer6shapeBoard Bufferx, y (16)x (10)y(10)Overlay BufferVGApx (10)py (10)onx1 (10)y1(10) x2 (10)y2 (10)2funcsourceto monitor2325databdataCoordinate Trans.busygo5idxCoordinate RTrans.5idx32data5idxonStatusBufferonx


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MIT 6 111 - Digital Whiteboard

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