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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...

Important:
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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LIST OF USED COMPONENTS and their Links,

Suggested best- Electronic Components Project Kit 'Breadboard, Capacitor, Resistor, LED, Switch (Comes in a box)' : http://amzn.to/2hZaYbB

# Plain PCB (Printed Circuit Board) (x1) - http://amzn.to/2g3hj5t
# PCB Etching Solution (Ferrous Chloride) (x1) - http://amzn.to/2g3fXr8
# Transistor - BC-548 OR BC-547 (x2) - http://amzn.to/2g2TMBK
# Resistor - 100 ohm (x3) - http://amzn.to/2g3z1FT
# LDR (Light Dependent Resistor) (x1) - http://amzn.to/2g55b3L
# LED (Light Emitting Diode) (x1)
# Buzzer (x1) - http://amzn.to/2g3O2HQ
# DC Switch (x1) - http://amzn.to/2wFND16
# DC Socket (x1)
# DC Adapter (5V) (x1)

# Battery Holder (x1) - http://amzn.to/2yyS9TV
# Laser Diode (x1) - http://amzn.to/2yz9ThU
# ON/OFF Push Button Switch (6 pin) - (x1) - http://amzn.to/2fUAcnd

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Instructor Name: Tabrez Alam
Please LIKE and SUBSCRIBE my channel.
Edited by: http://www.GFXtouch.Com

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