Construction Of An Adjustable Electronic Flasher
The construction of an adjustable electronic flasher involves the assembly of electronic components that regulate the flashing frequency of lights, typically used in automotive turn signals or emergency indicators. This device integrates resistors, capacitors, transistors, and other semiconductor components to control the timing and duration of the flashing cycle. By adjusting specific resistor or capacitor values, users can modify the flash rate to suit different preferences or requirements. This customizable feature enhances safety and visibility on the road, making it particularly beneficial for emergency vehicles or vehicles in hazardous conditions. Additionally, advancements in integrated circuit technology have led to the development of more compact and efficient electronic flasher designs, offering reliability and versatility in various applications.
This project (Construction of an adjustable electronic flasher) was constructed using available materials. Flashing circuits are very interesting. They grab your attention and can be used in many applications. They consume very little energy and a single cell can last as long as 12 months. You can flash globes, LEDs and pulse all types of devices such as motors, solenoids and piezo diaphragms. In this discussion we will cover a number of interesting “oscillator circuits.” They can be adapted for other applications – but to do this you have to know how they work. This is not easy as most of them are quite complex. In fact oscillator circuits are one of the most difficult circuits to understand. But if you read the text, everything will become clear. Flasher circuits have developed over a long period of time, with many of the earlier designs proving to be unreliable. The main aim of this work is to build an adjustable LED flasher circuit.
TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
- PURPOSE OF THE PROJECT
- AIM OF THE PROJECT
- PURPOSE OF THE PROJECT
- LIMITATION OF THE PROJECT
- PROJECT ORGANISATION
CHAPTER TWO
LITERATURE REVIEW
- OVERVIEW OF THE STUDY
- REVIEW OF THE RELATED STUDY
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 BASIC OF THE SYSTEM
3.2 BLOCK DIAGRAM OF THE SYSTEM
3.3 SYSTEM OPERATION
3.4 CIRCUIT DIAGRAM
3.5 CIRCUIT DESCRIPTION
3.6 DESCRIPTION OF COMPONENTS USED
3.7 POWER SUPPLY UNIT
CHAPTER FOUR
4.0 TESTING AND RESULTS
- CONSTRUCTION PROCEDURE AND TESTING
- INSTALLATION OF THE COMPLET DESIGN
- ASSEMBLING OF SECTIONS
- TESTING OF SYSTEM OPERATION
- COST ANALYSIS
CHAPTER FIVE
- CONCLUSION
- RECOMMENDATION
- REFERENCES
CHAPTER ONE
1.0 INTRODUCTION
Flashing circuits are very interesting. They grab your attention and can be used in many applications. They consume very little energy and a single cell can last as long as 12 months. You can flash globes, LEDs and pulse all types of devices such as motors, solenoids and piezo diaphragms. In this discussion we will cover a number of interesting “oscillator circuits.” They can be adapted for other applications – but to do this you have to know how they work. This is not easy as most of them are quite complex. In fact oscillator circuits are one of the most difficult circuits to understand. But if you read the text, everything will become clear. Flasher circuits have developed over a long period of time, with many of the earlier designs proving to be unreliable.
- OBJECTIVE OF THE STUDY
The objective of this research work is to construct an adjustable led flasher. The project is aimed to have couple of advantages over a flashing LED that can be buy as an individual item. The project is also the objective of the researcher to design the project with the most economical and efficiency parts so as to make it affordable to everyone.
- PURPOSE OF THE STUDY
The main purpose of this work is to build an electronics flashing circuit with a variable level of illumination.
- SCOPE OF THE STUDY
The scope of the operation of the adjustable electronic flasher fully automated. It pulses it with a higher peak current to give a brighter illumination and consumes less average current. This means it will work for a long time on an almost flat battery and cost nothing to run. It is built with the 555 timer IC that is powered from 2 x 1.5V batteries. The circuit can be used as a flashing metronome, dark room timer, memo-reminder or other similar applications
- SIGNIFICANCE OF THE STUDY
It can be used for battery equipment to indicate the power is ON or as an ALARM ON indicator. You can use a super-bright LED and get a really bright flash, or an ordinary green, orange or yellow LED to get something better than a flashing red LED.
1.5 LIMITATION OF THE STUDY
The following are the problem encountered during the research work.
- TIME: The research of adjustable electronic flasher is a time consuming exercise for collection, analysis and preparation of its report Goods research takes time to plan and executed.
2. COST: It is very costly to plan and implement this assertion in view of the fact that make research require the use of human resources, other resources and considerable time for the execution.
3. EXACTNESS: To ensure the behaviour of human being, it is impossible to predict such behaviour with absolute exactness or accuracy.
1.6 PROJECT WORK ORGANISATION
The various stages involved in the development of this project have been properly put into five chapters to enhance comprehensive and concise reading. In this project thesis, the project is organized sequentially as follows:
Chapter one of this work is on the introduction to this study. In this chapter, the background, significance, purpose, scope, objective, limitation and problem of this work was discussed.
Chapter two is on literature review of the study. In this chapter, all the literature pertaining to this work was reviewed.
Chapter three is on design methodology. In this chapter all the method involved during the design and construction were discussed.
Chapter four is on testing analysis. All testing that result accurate functionality was analyzed.
Chapter five is on conclusion, recommendation and references.
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