INTERACTIVE WHITEBOARD NO FURTHER A MYSTERY

interactive whiteboard No Further a Mystery

White paper could be way too reflective, and drown out the lettering. If Here is the scenario purchase a ream of coloured paper. All kinds of able to print graph paper are available on-line.Reflectors about the stylus or marker reflect the laser beam back on the source plus the (X,Y) position could be triangulated. This know-how may be combined wit

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