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- No of Pages: 94

- No of Chapters: 05

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Introduction:

Abstract

The project “microcontroller based intelligent traffic light system with automatic street light and warning light” was designed to tackle the traffic issues in the country so as to establish automatic traffic control and monitoring system with near perfection.

The project intelligent traffic light with automatic street light and warning light is a complex microcontroller based project that was designed to control traffic on a four way road network.

The system is embedded with sensors that automatically detect lanes with traffic and lanes that are traffic free. Based on these input from the sensors the controlling system makes its decision. Nevertheless, the system also comes with automatic street light controller that automatically switches on the street lights once there is darkness while offing the lights once the weather is bright. Further more, the warning light blinks before transitioning from one state to another (e.g from stop to ready or go).

In this design we have implored the use of both hardware and software to bring about the entire project. The hardware components are solely coordinated by the AT89S51 micro controller chip while the programming language is used to program the chip.

Table of Content

CHAPTER ONE: INTRODUCTION

Background of project 1.0

objective of the project 1.1

Justification of the project 1.2

Scope of project 1.3

Constraints 1.4

Block overview of the stages 1.5

Project report organization 1.6



CHAPTER TWO

SYSTEM ANALYSIS AND DESIGN

Project specification 2.1

Component description/analysis 2.2

Step down transformer 2.2.1

Diodes 2.2.2

Light emitting diodes or LED’s 2.2.3

Bridge rectifier 2.2.4

Voltage regulators 2.2.5

Resistor 2.2.6

Transistors 2.2.7

Light dependant resistor (LDR) 2.2.8

Electromechanical relay 2.2.9

Hardware subsystem 2.3



CHAPTER THREE

SYSTEM IMPLEMENTATION

Conceptual overview of project layout 3.1

Design process 3.2

Software design 3.3

Software development 3.4.1

Development process 3.4.2

Compiling and linking 3.4.3

Making an led blink with AT89C51 micro-controller 3.4.4

System control programme steps 3.4.5



CHAPTER FOUR: TESTING

System testing and integration 4.1

Test plan and test data 4.2

Component test 4.2.1

System test 4.2.2

Transformer test (step-down) 4.2.3

Other test 4.2.4

Experimented result/actual result 4.3

Performance evaluation 4.4



CHAPTER FIVE: SUMMARY

Summary and Conclusion 5.1

Summary of achievement 5.2

Problems encountered and solution 5.3

Suggestions for further improvement 5.4

Conclusion 5.5

References

Introduction

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