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Ultrasonic Water Fog Thingy

Discussion in 'General Electronics Discussion' started by Raven Luni, Oct 3, 2012.

  1. Raven Luni

    Raven Luni

    Oct 15, 2011

    I want to play with one of those ultrasonic mist generators but I grudge paying the money for something which is so simple in principle. So - does anyone know which frequencies / waveforms are needed and would something like a piezo speaker work?
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