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» ABSTRACT The design and construction of 1000VA Automatic Voltage Regulator is made to power our Electrical and Electronic devices, supplying them with the normal output voltage which ranges from 100V 240v irrespective of the constant voltage and current fluctuation, failure and instability. This project helps the society in many ways which include the stepping up and down of voltage in order to av...Continue Reading »
65 pages | 464 engagements |
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» 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 and the input which serve as a transformer which the function is to pick up the smallest sound tha...Continue Reading »
65 pages | 563 engagements |
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» ABSTRACT This research work examines the factors affecting power outage in Nigeria. Constants Power supply is the hallmark of a develop economy. Any nation whose energy need is epileptic in supply prolongs her development and risk losing potential investors. Nigeria with population of over 120 million people has for the past 40 years of establishment of National Electric Power Authority (NEPA)agen...Continue Reading »
65 pages | 1,069 engagements |
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» ABSTRACT Automatic water level controller for both overhead and underground tank is designed to monitor the level of water in a tank. It displays the level of water and when it is at the lowest level; a pump is activated automatically to refill the tank. When the tank is filled to its maximum capacity, the pump is automatically de energized. Several circuits are put together to ensure proper worki...Continue Reading »
64 pages | 556 engagements |
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» ABSTRACT This project as the name implies is chosen, designed and constructed with the intention of transmitting information such as musicals news intertainments programs and soon.And all these that are written above are being transmitted to the atmosphere using an electromagnetic, signal, and this particular project design and construction is exactly the type of electronics, instrument that are m...Continue Reading »
76 pages | 586 engagements |
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» 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 at intervals rather than being struck down when in a hurry to cross the roads. Such an electrical system ...Continue Reading »
64 pages | -1 engagements |
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» ABSTRACT The project work is on the design and construction of automatic two lane traffic light control.This system is based on digital electronics. It employs an astable multivibrator which is the clock generator that sends the clock into a time sequencing generator using a decade counter with ten (10) decodes output that has it’s binary corded decimal (BCD) output into a diode or gate that...Continue Reading »
64 pages | 478 engagements |
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» ABSTRACT The practical importance of a battery charging unit in today’s world cannot be over emphasized. This is so since these batteries or accumulators are immensely needed by automobiles and in science laboratories. This thesis describes the methodical approach to the design and construction of any battery changer. However the procedure developed cover the construction of battery charger ...Continue Reading »
76 pages | 531 engagements |
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» ABSTRACT This project intended to simplify the description and working principle of FM wireless microphone, which works on a fixed frequency modulation (FM) band. CHAPTER ONE INTRODUCTION Electronics deals with current flow and the application therefore current is established by movement of electron hence electronics. Electrons on their own are constituent of the atom. We shall bargain therefore b...Continue Reading »
53 pages | 464 engagements |
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» ABSTRACT In the world today, the use of power supply in electronics equipment and gadgets has increased and it is still increasing. These power supplies are not stable as required by these electronics.This arise the need for the power stabilization as to overcome this problem This project handles this problem very well. Some recommendations were also made on this topic and student and users of ele...Continue Reading »
65 pages | 492 engagements |
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» ABSTRACT An intercommunication system is nothing but the communication between two or more persons not close to one another. This does not mean we should categorize telephones, fax, teleprinters, telegraphs etc. an example of intercom system sine they are used in communication between people. Infact, intercom involves short distance places. It is limited in electronics, offices, and hospitals. The...Continue Reading »
65 pages | -1 engagements |
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» ABSTRACT This project which consists of four chapters deals extensively with the design and construction of a battery charger which is capable charging a 12 volts, battery.The first chapter which is the introductory chapter goes a long way in defining the battery charger and explaining of the mode of operation.The second chapter went further to explain each component part of the battery charger. T...Continue Reading »
76 pages | 494 engagements |
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» ABSTRACT The very fundamental reasons behind this project assignment is to expose student to the very important aspect of private and independent research work not only theories but also subsequent translation of the theoretical research work into a particular function system.The project construction of automatic fence light controller has been done primarily as a photo type design it could be fur...Continue Reading »
65 pages | 581 engagements |
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» ABSTRACT The project work on construction of loud speaker involves some critical research and study concerned electromagnetic induction effect in transducers like loud speaker and its associated parameter required to chose a very good one this parameters are the power rating of loud speaker and the coil. The sizes were also put into consideration. During the packaging of the loud speaker box a sig...Continue Reading »
64 pages | 482 engagements |
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» CHAPTER ONE 1.0 INTRODUCTIONAs the zeal for change over on public power supply and stand by generator increases, Engineers have researched deep into the different ways and methods of achieving power change over both manual and automatic types.It may not be considered a serious issue in some places where supply is up to 90% constant or where intermittent outage causes no great damage. However, plac...Continue Reading »
53 pages | 601 engagements |
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» ABSTRACT This project is titled the design and construction of a DC to AC inverter system. It is designed to meet up with the power demand in the offices and in homes in the absence of power supply from the national supply authority, NEPA. In order words the device / item serves as a substitute for NEPA which almost monopolises the power supply to people.It is designed in such a way that it will t...Continue Reading »
53 pages | 577 engagements |
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» ABSTRACT As technological advancement has been on the increase in our society many have fallen in love with technology and world want to have a feel in virtually to every thing they do.A design has been made in combination of electrical and electronics to change over from one power sources to the other automatically and trip off generation after 40 seconds with out going through the point for manu...Continue Reading »
64 pages | 435 engagements |
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» ABSTRACT The uninterruptible power supply (UPS) is design to help in the offices, workshops and house hold appliances, due to the unstable power supply being supplied by (NEPA) presently known as Power Holding Company of Nigeria (PHCN) usually supply to us.With the help of the “UPS” we don’t need to depend much on PHCN it is stress free because it don’t need someone to chan...Continue Reading »
64 pages | 436 engagements |
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» ABSTRACT The machine is designed to serve with an output of 250A. it has two pats which are the primary and secondary parts. The primary part, through which voltage is supplied to the machine has 180 turns which is made of 2mm2 S.W.G 14 copper coil. The secondary part has 45 turns made of 4mm2 S.W.G 8 copper coil.Both turns are wound on separate limb of the laminated core. The voltage from primary...Continue Reading »
64 pages | 435 engagements |
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» CHAPTER ONE INTRODUCTION Incubator has variety of applications but it has only one meaning, incubator is an apparatus consist of a box designed to maintain a constant temperature by the use of a thermoctal or thermictor; used for chicks or premature infants. Synoaym: brooder: it is an apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chi...Continue Reading »
76 pages | 567 engagements |