Via Hacked Gadgets, Martin Raynsford created this etch-a-sketch computer that uses the white control knobs to navigate instead of a mouse — he reused the X and Y axis rollers of a trackball, and you press down on a button in lieu of a mouse click.
My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net
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