ABSTRACT Burglar alarm circuit is made up of five major sections. The power supply section; it connects to the source of power, the trigger section which produces trigger current, touch section that controls the supply of power in the circuit, alarm section that sounds when current... Continue Reading

ABSTRACT As the world is developing the need for electronics in human endeavor is now taking a larger scope. With the invention of certain electronics gadgets in our societies today, certain activities become easily handled for example; in communication where the telephone plays a part.  In places where safety are needed an alarm system will be... Continue Reading

INTRODUCTION As the world is developing the need for electronics in human endeavor is now taking a larger scope. With the invention of certain electronics gadgets in our societies today, certain activities become easily handled for example; in communication where the telephone plays a part. In places where safety are needed an alarm system will be... Continue Reading

INTRODUCTION As the world is developing the need for electronics in human endeavor is now taking a larger scope. With the invention of certain electronics gadgets in our societies today, certain activities become easily handled for example; in communication where the telephone plays a part.  In places where safety are needed an alarm system will... Continue Reading

ABSTRACT  This project the design an construction of fire alarm was carried out with deep intensive and extensive research work my aim and objective in the price of work is to produce a standard device or electronics that will inform the security about a fire outbreak in the company or house for a quick reaction/action. In this project I shade... Continue Reading

ABSTRACT  This project the design an construction of fire alarm was carried out with deep intensive and extensive research work my aim and objective in the price of work is to produce a standard device or electronics that will inform the security about a fire outbreak in the company or house for a quick reaction/action. In this project I shade... Continue Reading

ABSTRACT             This project is design and construction of a sound detector with alarm system was done primarily to detector sound. It can be use in industrial and domestics. It employ four discreet stages with power supply which power the system.             The 1st block is pick up amplifier containing the microphone... Continue Reading

ABSTRACT This project is design and construction of a sound detector with alarm system was done primarily to detector sound. It can be use in industrial and domestics. It employ four discreet stages with power supply which power the system. The 1st block is pick up amplifier containing... Continue Reading

ABSTRACT This project report is a thesis written specifically to cover the design analysis construction, test and packaging of a multipurpose security system from electric component that can be easily be obtainable from the market. The report discusses the various unit and stages of the alarm system, thesis include:- a)     Clock generation... Continue Reading

        TABLE OF CONTENT Title page Approval page Dedication Acknowledgement CHAPTER ONE – INTRODUCTION Background of problem Structure of the problem Objective of the study Scope and limitation Importance of the study Definition of terms Design of the system Layout for... Continue Reading

CHAPTER ONE 1.0             INTRODUCTION 1.1     BACKGROUND OF PROBLEM           Fire detection system are safety system. They monitor rooms and buildings continuously for indication of fire outbreak and give alarm directly if one occurs.           Both the British Factory Acts 1961 and the officers shops and... Continue Reading

ABSTRACT This project work deals on the Design and Construction of Intruder Detector Alarm System with Direction/Location Displaywhich is capable of detecting intrusion at any location, sound and alarm and display the exact location of the intruder using... Continue Reading

ABSTRACT This work is a power supply monitoring device that triggers a buzzer when the mains supply cuts off. Thus a diode (bridge rectifier diode) was used to convert the AC voltage to DC voltage and the 240v/12v AC mains power transfer was used with a bridge rectifier for rectification and a 470Nf filter capacitor C1 for the smoothing of the... Continue Reading

ABSTRACT The intruder alarm system was designed and build in order to let the industrial and commercial company know how important alarm system is all  about. These can be of Good help if the intruder will look through this project and support for the development of this project as to let the Federal Government know that the young engineering of... Continue Reading

ABSTRACT This work is a power supply monitoring device that triggers a buzzer when the mains supply cuts off. Thus a diode (bridge rectifier diode) was used to convert the AC voltage to DC voltage and the 240v/12v AC mains power transfer was used with a bridge rectifier for rectification and a 470Nf filter capacitor C1 for the smoothing of the... Continue Reading

CONSTRUCTION OF CAR TOUCH INTRUDER ALARM ABSTRACT The main objective of this project was to ensure a proper security to car being parked in garage against theft or an intruder. The circuit uses three NE555 timers; one of the NE555 was wired as a monostable oscillator and remaining two were wired as tone generator and amplified to obtain a maximum... Continue Reading

ABSTRACT The main objective of this project was to ensure a proper security to car being parked in garage against theft or an intruder. The circuit uses three NE555 timers; one of the NE555 was wired as a monostable oscillator and remaining two were wired as tone generator and amplified to obtain a maximum audible sound. However, pin 2 of the... Continue Reading

ABSTRACT The intruder alarm system was designed and build in order to let the industrial and commercial company know how important alarm system is all about. These can be of Good help if the intruder will look through this project and support for the development of this project as to let the Federal Government know that the young engineering of... Continue Reading

ABSTRACT The main objective of this project was to ensure a proper security to car being parked in garage against theft or an intruder. The circuit uses three NE555 timers; one of the NE555 was wired as a monostable oscillator and remaining two were wired as tone generator and amplified to obtain a maximum audible sound. However, pin 2 of the... Continue Reading

ABSTRACT The main objective of this project was to ensure a proper security to car being parked in garage against theft or an intruder. The circuit uses three NE555 timers; one of the NE555 was wired as a monostable oscillator and remaining two were wired as tone generator and amplified to obtain a maximum audible sound. However, pin 2 of the... Continue Reading