Subject:
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microphone as a sound sensor?
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 27 Aug 1997 04:56:44 GMT
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Original-From:
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Duncan Orthner <p6orthne@cquest.utoronto.ca*NoMoreSpam*>
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Viewed:
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1239 times
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Hi all, has anyone interfaced a microphone to an analog input of the
HB? I've amplified the signal with an op-amp (LM386) but can't figure how
to integrate the (AC) signal into a usable voltage range for the HB. I
don't think that just rectifying the signal will work, but my electronics
knowledge is sorely limited.
Cheers, Duncan
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