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mist maker

Discussion in 'Electronic Repair' started by Pete Cross, Oct 5, 2004.

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  1. Pete Cross

    Pete Cross Guest

    Our shops are currently full of halloween stuff, amongst which is a plastic
    cauldron of cold water that has mist cascading out of it, they cost £35+
    without the cauldron. Anyone got a schematic for one ? from what I can find
    so far, they have a small ceramic disk which vibrates ultrasonically and
    creates the mist. I am considering a piezo sounder fed with 40KHz @ 9volts
    say, with the disk just below the water surface ? what do you reckon ?
  2. Sounds to me like an ordinary Ultrasonic Humidifier here in the USA.
    Cost $30 - $40 USD , then feed the output to your Halloween setup.

    H. R. (Bob) Hofmann
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