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Wire Loop Breaking Alarm Signal
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PROJECT DESCRIPTION

The project is designed to generate an alarm signal in the event of breaking of a wire in loop. The project uses a buzzer to alert the user.

This system is built upon using a 555 timer in astable mode. A transistor is used to trigger the timer, whenever there is a break in the wire loop. In the project a detachable jumper is used as wire loop.

If the same is removed it triggers the 555 timer which in turn triggers a buzzer making an alarm sound. The detachable jumper is used instead of a wire for demonstration purpose in this project.

This project in future can be extended by interfacing it with GSM modem so that whenever the loop breaks, an alert message is sent to the user via SMS.

PROJECT HIGHLIGHTS
Non-Microcontroller Project.
Extensive audio-visuals available.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm.
All-inclusive solution kit.
Easy to use, Self-explanatory kit.
BLOCK DIAGRAM
Hardware Requirements
  • 555-timer
  • Resistors
  • Capacitors
  • Transistor
  • Battery
  • Speaker
Software Requirements
    None
OTHER INFORMATION
Battery not included in the kit due to Courier service prohibition. Please buy four AA CELL 1.5V batteries for this project.
Q & A
Q:  What is wire loop breaking alarm?
A:  It is a security system for houses, offices for security from thieves or unauthorized persons.
Q:  How does it work?
A:  While the wire loop breaks it triggers the circuit for the speaker to sound.
Q:  In which mode 555-timer works?
A:  555 timer works in monostable mode
READ WHAT OTHERS HAVE SAID
Average Rating
 5/5
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Showing 1 of 1 reviews
RAMKE JOTTI, GOA on 13th May, 2014, 03:39 PM

The given project is worked very well without creating any problems. And also the given material is very interesting to gain some knowledge on this project. Thanks to Edgefx Team.

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