ABSTRACT
The project is based on Construction of microcontroller vehicle speed alarm system which automatically warns the driver by activating a panic alarm which is triggered on when the driver exceeds the speed limit set in the system which also stops the alarm when the speed is reduced below the set speed limit. A speedometer system is used to monitor the speed of the car. The voltage output of the speedometer system is used to set the time the alarm comes on. The other component parts of the system are power unit which comprises of 5volts regulator and diode for reverse voltage prevention, micro controller, analog to digital converter (ADC), LED, resistors, transistors, wires and potentiometer. By proper steps, time and knowledge, one was able to couple the components together to achieve the desired functions which are stated in the various chapters of this report. This system can be used for road safety and measures taken to prevent accident caused by over speeding.
TABLE OF CONTENTS PAGE
Title page i
Approval page ii
Dedication iii
Acknowledgement iv
Abstract v
Table of contents vi
List of figures ix
List of table’s x
CHAPTER ONE: INTRODUCTION
1.1 Background of the study 1
1.2 The aim and objective 2
1.3 Scope of the project 2
.4 Project report organization 3
CHAPTER TWO: LITERATURE REVIEW
2.1 Historical background 4
2.2 Speedometer 5
2.3 Voltage regulator 8
2.4Transformer 9
2.5Diodes 9
2.6 The opt-coupler 11
2.7 Potentiometer 13
2.8 Transistor 14
2.9 Resistor 17
2.10 Microcontroller 19
CHAPTER THREE: SYSTEM OPERATION
3.1 Block diagram of the project 23
3.2 Circuit diagram and operation 25
CHAPTER FOUR: SYSTEM DESIGN AND CONSTRUCTION
4.1 Software designing 32
4.2 Calculating led resistor value 33
4.3 Constructed system circuit 34
CHAPTER FIVE: TEST OF RESULTS, PACKAGING
5.1 Testing of the individual components 36
5.2 Unit by unit testing 36
5.3 System testing 36
5.4 Integration 36
5.5 Packaging 36
CHAPTER SIX: CONCLUSION AND RECOMMENDATION
6.1 Conclusion 38
6.2 Problems encountered and solutions 38
6.3 Suggestion for further improvements 38
6.4 Recommendation 38 A
APPENDIX A: List of system components 40
APPENDIX B: Component cost table 41
APPENDIX C: System source code 43
BIBLIOGRAPHY 55
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