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PROJECT DESCRIPTION

The main objective of this project is to design a security system for homes that generates an alarm signal in case of an attempt made by a burglar to break the window.

The proposed system is designed with a 555 timer that operates in astable mode. This project uses a transistor and buzzer, which is interfaced to the timer. The transistor is used for triggering the timer and buzzer for sound.

If the wire loop attached to the window is broken, then the 555 timer is triggered for activating the buzzer. In this system, the detachable jumper is used instead of a wire loop for checking the circuit function.

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

PROJECT HIGHLIGHTS
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Non-Microcontroller Project.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm IST.
BLOCK DIAGRAM
Burglar Alarm on Window Glass Breaking
Hardware Requirements
  • 555-timer
  • Resistors
  • Capacitors
  • Transistor
  • Battery
  • Speaker
Software Requirements
  • None
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
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