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Piezoelectric buzzer

Discussion in 'General Electronics Discussion' started by markg, Apr 15, 2012.

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  1. markg

    markg

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    Apr 15, 2012
    Hi guys. I've got a quiz buzzer circuit that is designed to output to a basic piezoelectric buzzer. What I really want to be able to do is to output to a jack connector (to be able to plug it into a sound system to amplify a buzzer sound). Any ideas on what I'd need to do to be able to do this?
     
  2. KMoffett

    KMoffett

    720
    73
    Jan 21, 2009
    Got a schematic of the quiz buzzed circuit?

    Ken
     
  3. markg

    markg

    2
    0
    Apr 15, 2012
    schematic

    Hi Ken...I've attached both the circuit diagram and the stripboard layout.

    Thanks,
    Mark
     

    Attached Files:

  4. KMoffett

    KMoffett

    720
    73
    Jan 21, 2009
    Unfortunately the "buzzer"sound is produced within the buzzer module. The rest of 555 circuits only turn it on or off. I suppose you could mechanically attach a small microphone to the buzzer and connect that to you sound system. You could also make a simple astable oscillator circuit with another 555, and connect that through a capacitor and volume control the the sound system, replacing the buzzer.

    Ken
     
    Last edited: Apr 15, 2012
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