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Laser Anti-theft Alarm System

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Uploaded by on Jan 31, 2010

This is the second anti-theft alarm system i've made so far .... in completion of the first one.
The system operates upon the concept of light detection in which the object is placed to cut-off the beam so that the system is triggered between two states. ENJOY :)

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Uploader Comments (mu86neer)

  • this could be useful for ghost investigation

  • @raigekiman : ghosts r transparent ..loool :-)

  • @mu86neer true but that can still activate a alarm i seen some of that in a couple of investigation

  • @raigekiman : yeah man, that's true.. Anyway, many thanks for sharing ur opinion :-)

  • photoresistor not LED

  • @GoatsModdedLobbies: i suppose mean Light Dependant Resistor LDR... Thanks for correction

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  • CAN u Please Post the circuit to my Email Id its, [itsnotmebigbang@gmail.com]

    Please i want it for my project in my school

  • @mu86neer np thank you for understading

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