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Sonsivri > Electronics > General Electronics (Moderators: o2, pickit2) > Electronic Card- Lock System
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Author Topic: Electronic Card- Lock System  (Read 2559 times)
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doctorj
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« on: May 07, 2008, 08:08:19 20:08 »
There is a scheme of  circuit and a text file that explains how it works.

The circuit presented here can be- used as a lock for important electronic/electrical appliances. When card is  inserted inside its mechanism, depending upon the position of punched hole on the card, a particular appliance would be switched on...

http://rapidshare.com/files/113270220/ELECTRONIC_CARD__LOCK_SYSTE.ZIP.html
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