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PIEZO VIBRATION SWITCH - HELP CONVERT VOLTAGE TO CLOSE A CONTACT

T

Timothy

Jan 1, 1970
0
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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