This project effort focuses on the use of a Direction/Position Display that can detect intrusion at any location, raise an alarm, and display the exact location of the intruder on a seven-segment display. This project is carried out utilizing a top-down approach, with active and passive components readily available on the market. It is made up of various modules that are merged to make a single functional unit. The inputs are opto-couplers with laser diodes and light dependent resistors (LDRs), which serve as electronic eyes at the sensory sites. One short delay circuit, an audio frequency generator, a priority encoder and decoder, a piezo-buzzer, and a single digit seven segment display make up the control unit. The system is delivered in a nicely decorated wooden box. The invader is not recorded or shown by this system. When many intrusions occur at the same time, the display highlights the area with the highest priority. Furthermore, the system is powered by a mains supply. The end result is a system that can detect intrusion, sound an audible alarm, and display the intruder’s exact location. It has a wide range of surveillance applications, particularly in industrial and home security.




Researchers and developers have created a wide range of surveillance systems that are deployed in homes, industries, and remote places while controlling tasks through economical, intelligent, and simple-to-implement hardware and software systems. Some have already been realized, while others are still in the works.

Due to sophisticated and creative tactics thieves use to succeed in their activities in residential homes, criminal activities are becoming a very dexterous act nowadays. The protection of one’s family and house is one of the most important things a person wishes.  A security system is a set of hardware and software designed to keep people and property safe in both residential and commercial buildings. The yearning for safety and security extends back thousands of years, making the history of security systems fascinating. According to (Vintech, 2011), security systems were developed after it was realized that the value of life and property could be lost unexpectedly due to fire, robbery, or force, among other things, without prior warning or information. Security systems have evolved from simple control panels and locks to high-tech gadgets over the years.

Throughout history, people have sought to protect their lives, property, and professions. With today’s busy lifestyles, automatic devices that can be triggered to perform an action when the intrusion detection system detects motion are needed. Some of today’s systems are capable of displaying the actual direction and location of the intruder, as this has become vital because of the frequent and rampant cases of burglary.

Motion can now be detected by monitoring the change in speed or vector of an item in the field of view, thanks to technological advancements; nevertheless, such systems are sophisticated and expensive. With recent technological advancements and the growing need for better security in civilian and other applications, several low-cost security system solutions have now arisen, particularly in the sector of Burglar Alarm. Modern approaches have resulted in a major way of ensuring security in all military and civilian applications.

To properly fulfill the goal for which they were created, this system must be as effective and trustworthy as possible; it must take into consideration the activities of those seeking to trespass or cause destruction, as security.


This project aims to develop and build a Direction/Position Display system capable of detecting intrusion at any location, triggering an alarm and allowing the exact location to be traced using seven segment displays.

The goals of the system are as follows:

1. Ensure that the environment in which it is placed is secure.

2. Ensure that an intrusion into an illegal premise is promptly alerted via the alarm system.

3. Provide the office occupant with a psychological sense of security.


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