» ABSTRACT A battery charger is an electrical device employed for charging batteries. This batteries that are usually charged by battery changer are the storage battery charger are the storage batteries also known as “accumulator” the battery changer changes. The alterna…Continue Reading »
» ABSTRACT This is a technical report presented on the design and construction of an Automatic Three Phase Selector. In the construction work, an ordinary level knowledge of electronics principles are observed. We aimed at presenting a practical aspect of the subject and then providi…Continue Reading »
» ABSTRACT An inverter is an electronic device that converts direct current (DC) to alternating current (AC) the converted Ac can be at any required voltage and frequency with the use of appropriate transformers, switching and control circuit. It’s simple put, is an electronic box that makes ho…Continue Reading »
» ABSTRACT This project work up deals on the design and construction of a single phase step down nations fermor, with raking IKVA, 240V/11OV, 80V 12U, 6V. It is a multi circuit transformer that has one input as the primary and tappins to produce the output (secondary). It is …Continue Reading »
» ABSTRACT An audio AMP is basically a system which is used as a means of increasing the level of sound or audio signals for maximum use. A public address system consists basically of microphone, Amplifier and speaker(s) to facilitate the communicatio…Continue Reading »
» ABSTRACT T junction traffic light controller is such a device that will play a significant role in controlling traffic at junctions, to ease the expected increased rush at such junctions and reduce to minimum disorderliness that may arise, as well as allowing the pedestrians a right of the way …Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 Introduction A wireless signal jammer is a device which blocks transmission by creating interference. This wireless signal jammer can be categorized into the Radio Frequency (RF) jammer and GSM jammer. A Radio Frequency jammer is a device used to …Continue Reading »
» ABSTRACT The advantage of cellular communication like GSM technology is a potential solution for such remote controlling activities. GSM SMS technology can be used to control household appliances from remote places. Remotely, the system allows the home owner to monitor and control his house app…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 THE BACKGROUND Welding is a way of heating pieces of metal using electricity or a flame so that they melt and stick together. It can simply be defined as the process of joining two or more pieces of metal to make the act as a single piece. This is often done by …Continue Reading »
» ABSTRACT It has become inevitable that there would be communication and due to the inherent limitation of the human voice, the public address system came to being. A public addressP.A SYSTEMor ”“ is an electronic amplific ,amplifier and loudspeakers, used to reinforce a given …Continue Reading »
» ABSTRACT With advancement of technology things are becoming simpler and easier for us. Automatic systems are being preferred over manual system. The purpose of this project is to design and construct A GSM based home automation using AVR. Using GSM networks, in this project a home power control…Continue Reading »
» TABLE OF CONTENTS TITLE PAGE.. ii DEDICATION.. iv ACKNOWLEDGEMENTS. v TABLE OF CONTENTS. vi LIST OF FIGURES. viii ABSTRACT. ………ix CHAPTER ONE.. 1 INTRODUCTION.. 1 1.1 Background to the Study. 1 1.2 The Sun and the nature of light Energy. 3 1.3 Solar lamp. 4 1.4 Solar Cell 4 1.4.…Continue Reading »
