sound alarm

Discussion in 'The Projects Forum' started by david kinsella, Dec 11, 2007.

  1. david kinsella

    Thread Starter New Member

    Dec 11, 2007
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    0
    Im making a sound alarm in college, which warns you when the sound in the area is 85db or more but Im having problems with making the circuit can anyone help me?
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
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