Remember those plasticy Etch A Sketch toys from childhood? Two knobs allowed you to draw line images on a flat screen. In this video demo, Jeri Ellsworth and George Sanger give a low down on their net enabled version. Replace the grey screen with a rear projection flat screen and the knobs with cheap drill motors from 18V drills. A Golf tee as the stylus and some tent poles hold everything together and complete the gizmo.
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