Occasionally I encounter a circuit that is schematically simple but challenging in theory, yet has no practical purpose other than to look cool. Every electronics lab needs a black box with blinking lights hanging around in a corner somewhere. Just about every science fiction movie or television show ever made has blinking lights of one type or another. The Neon Goofy Lite project described in this article is easy to build but contains enough interesting parts, theory, and history to start conversations and invite questions from expert and novice alike. The version covered here has been running non-stop making that vintage orange neon glow for over two weeks on four AA batteries.

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