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Miniatur Alarm Generator Circuit for Laptop Protector
Thursday, 29. April 2010 by
admindata
The diagram below appears Miniatur Alarm Generator Circuit for Laptop Protector. It such a home made tilt switch fixed inside the laptop case in order to protect laptop against theft since it will sounds loud when someone tries to take the laptop.
This device is powered by a 12V battery used in remote control devices. The components of this miniature alarm generator are readily available to be assembled on general PCB. It uses such IC TLO71 (IC1) for the voltage comparator, and IC CD4538 (IC2) for a monostable multivibrator.
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