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PIEZO VIBRATION SWITCH - HELP CONVERT VOLTAGE TO CLOSE A CONTACT

Discussion in 'Electronic Basics' started by Timothy, Sep 18, 2003.

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  1. Timothy

    Timothy Guest

    I need to convert the voltage from a piezo disc (from a buzzer) to
    close a contact. I used an N type FET transistor (not the same one
    from the link below)with it but the contact REMAINED closed. I need it
    to rapidly close and open as the piezo is bent or vibrated. Would the
    same transistor used in this diagram in the link below work? Any help
    is greatly appreciated. Please post or email with advice. Thanks in
    advance.

    http://slot-tech-ftp.serveftp.com:8080/pinball/gottlieb/smart switch/gottlieb_smart_switch.htm
     
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