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basic noise meter

Discussion in 'General Electronics' started by stranger, Feb 12, 2004.

  1. stranger

    stranger Guest

    Kia Ora (hello), I'm looking for a basic sound meter circuit. I found
    one but it uses a LM3915 IC, and I have no idea where to find one of
    If you could help with schematics, or even some info on the LM3915
    (ie, a more common IC thats still in production, or a subtitute) It
    would be realy useful!
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