How to make a Laser Light Security Alarm





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Published on Apr 11, 2016

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Explained with schematic and printed circuit diagram. How to make a Laser Light Security Alarm.
Circuit of Laser Light Security System was designed using EasyEDA: https://easyeda.com/editor#id=39f62d5...

Watch this video for Working Explanation of 'Laser Light Security Alarm' Circuit: https://www.youtube.com/watch?v=LO4yg...

A laser alarm system operates by projecting a beam of invisible laser light across a doorway or window opening. When the light is broken, it activates a buzzer or alarm.

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Instructor Name: Tabrez Alam
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Edited by: http://www.GFXtouch.Com


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