laser security system

You can easily make laser security system.  To make this system I am using LDR (light dependent resistor), one Laser, 5 volt Relay, Variable resistor, 1.6k resistor and one siren light.

Video Demo

11 Comments
  1. chirag patel 9 years ago

    can you please send me the circuit diagram of this video???
    thanks

  2. Joan 9 years ago

    It’s nice! Is it for sale?

  3. rahul 8 years ago

    Can you please send me a circuit

  4. B.nivetha 8 years ago

    please can you sent me the circuit diagram today 25.1.2016

  5. Balu Sk 8 years ago

    Can you give me the circuit diagram and the names of the components used in it..

  6. ziad mohamed al sayed 8 years ago

    can you please send me the circuit of this video thank you

  7. Louis 8 years ago

    Con you please send me the circuit diagram ?

    It is really cool !!

  8. Jiff 7 years ago

    Can work as a toy, certainly not as a security device as the receiver can be fooled by any LASER pointer. To be really secure, such a device MUST modulate the LASER AND compare what is sent to what is received.

  9. Honey 7 years ago

    Can you please send me a circuit…

  10. Aparicht 5 years ago

    Give me the ckt diagram of this project

  11. Ironman 5 years ago

    Sir circuit diagram please

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