Fun with an electric fly swatter/zapper racket, including taking it apart to show at how it works, and demonstrating it powering a Franklin's bell and making sparks. Turns out that it's a joule thief/blocking oscillator circuit.
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See also:
Franklin's Bells - How to Make and Demonstrations
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How to Make 30kV High Voltage DC Power Supply with Flyback & Cockcroft-Walton Multiplier Tripler
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How to Make Joule Thief Light a CFL - Jeanna's Light
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How to Read a Schematic
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High Voltage Probe How-to with Fluke 80K-40
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My webpage about this electric fly swatter:
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Essence - music by audionautix.com
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