Design And Construction Of A White LED-Based Emergency Lamp And Turning Indicator
The design and construction of a white LED-based emergency lamp and turning indicator involves integrating efficient LED technology with a robust electrical system for enhanced visibility and safety on the road. This project encompasses selecting high-brightness white LEDs for the emergency lamp and amber LEDs for the turning indicators, ensuring optimal brightness and energy efficiency. The circuitry incorporates a microcontroller for intelligent control, enabling functionalities such as flashing patterns for the turning indicators and automatic activation of the emergency lamp during power outages or vehicle breakdowns. Additionally, the construction phase involves designing durable housing to protect the components from environmental factors and mechanical stress, ensuring reliability in various road conditions. Through meticulous design and construction, this project aims to deliver a reliable and energy-efficient solution for enhancing vehicle visibility and safety, integrating seamlessly into modern automotive systems while promoting eco-friendly practices and energy conservation.
ABSTRACT
White LEDs are replacing the conventional incandescent and fluorescent bulbs due to their high power efficiency and low operating voltage. These can be utilised optimally for emergency lamp and vehicle turning indication. In the emergency lamp, seven 1.2V AA-size Ni-Cd cells giving 8.4V have been used as the power source. The brightness is controlled by duty-cycle variation of an astable multivibrator working at 1 kHz. The astable multivibrator is built around IC1. Its output is connected to LED-driver transistor T1. This work is on white LED based emergency lamp and turning indicator circuits for the purpose.
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
- OBJECTIVE OF THE PROJECT
- PURPOSE OF THE PROJECT
- LIMITATION OF THE PROJECT
- ADVANTAGES OF THE PROJECT
- PROBLEM OF THE PROJECT
- APPLICATION OF THE PROJECT
- RESEARCH QUESTION
- 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
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