Published:2012/9/5 21:01:00 Author:Ecco | Keyword: Pushbutton , Activated Service Request, Beeper | From:SeekIC
A single press of a pushbutton switch turns on a beeper for one second but can?t be activated again for 60 seconds.
Source: discovercircuits
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http://www.seekic.com/circuit_diagram/Audio_Circuit/Pushbutton_Activated_Service_Request_Beeper.html
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