simple microphone circuit

Discussion in 'General Electronics Chat' started by cellage, Jan 6, 2011.

  1. cellage

    Thread Starter New Member

    Oct 18, 2010
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    hi ;
    I need help with a microphone circuit i need a simple circuit to detect if there is a voice and take the result to a microcontroller input.
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
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  3. cellage

    Thread Starter New Member

    Oct 18, 2010
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    well i have a the mic its like the one i attached
    and i only care about detecting if there is any kind of noise or not
    I'll be grateful if you can help
     
    • mic.JPG
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  4. beenthere

    Retired Moderator

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  5. bertus

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  6. cellage

    Thread Starter New Member

    Oct 18, 2010
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  7. marshallf3

    Well-Known Member

    Jul 26, 2010
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    Simple yet effective, good job!
     
  8. thatoneguy

    AAC Fanatic!

    Feb 19, 2009
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    Thanks for posting that.

    The output of that basic circuit into a uC's comparator would work nicely.
     
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