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Thousand volts playing John Lennon
posted November 27 2010 8:26.39 by Giorgos Lazaridis

Teravolt presented this week his new plasma speaker. The whole project began when he found a small flyback, after chopping an old 5 inch TV. He tried many different circuits but did not seem to work as the only result he got out of them was toasted mosfets. Then he found this circuit, which used the 3525 pulse-width modulator chip. With less than $10, the circuit worked quite well. The audio signal comes from his laptop, and currently it carries some John Lennon tunes.

[Link: Teravolt]
Tags: electronic project   diy   high voltage   music   plasma   

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