By James Antonakos View In Digital Edition
In my last article, I challenged myself to duplicate the interesting patterns created by five small LEDs mounted on a spinning disk (Figure 1). My three-year-old daughter does not know that I have taken her $10 toy apart to assist in my investigation, so I may end up in a miniature doghouse (or possibly even Clifford’s) if I cannot get the original device, or my creation, working.
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