anyone help me plz

Discussion in 'General Electronics Chat' started by engy, Mar 27, 2009.

  1. engy

    Thread Starter New Member

    Mar 27, 2009
    7
    0
    i want to design a device using strain gauge that gives me alarm when the sound waves (from TV or what else) exceeds a specific level (which is defined by me),,,,,
    is this right ? ? ? and can i do it ? ? ?
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Google "spl meter" (sound pressure level). They do it with a microphone.
     
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