Design car lock with 5-minutes ignition deactivation facility

Table Of Contents

Title page – – – – – – – – – i Certification page – – – – – – – – ii Approval page – – – – – – – – iii Dedication – – – – – – – – – iv Acknowledgement – – – – – – – v Abstract – – – – – – – – – vi Table of content – – – – – – – – vii List of tables – – – – – – – – – ix List of figures – – – – – – – – x

Chapter ONE

1.1. Background of the study – – – – – – 1 1.2. Problem statement – – – – – – – 1 1.3. Aim and objectives – – – – – – 2 1.4. Significant of the project – – – – – – 2 1.5. Specification – – – – – – – – 3 1.6. Project report organization- – – – – – 4 1.7. Definition of terms – – – – – – – 5

Chapter TWO

2.1. Overview of Relevant Technology – – – – 6 2.2. Analysis and limitation of Existing system – – – 6 2.3. Historical development of project – – – – – 7 2.4. Analysis of the proposed – – – – – – 8 2.5. Summary of literature Review – – – – – 8 2.6. Project Design methodology – – – – – 9 2.7. How car ignition work – – – – – – 9 2.8. Electromagnetic spectrum – – – – – – 11 2.9. Tuned Radio frequency – – – – – – 14 2.10. Tune class Amplifiers – – – – – – 15 2.11. The Ne555 timer – – – – – – – 16 2.12. Other system components – – – – – – 18

Chapter THREE

3.0. Introduction – – – – – – – – 25 3.1. The power Supply Unit Design – – – – – 25 3.2. The Transmitter Unit Design – – – – – 25 3.3. The Receiver Unit Design – – – – – – 26 3.4. The Locking Unit – – – – – – – 26 3.5. Summary – – – – – – – – 27

Chapter FOUR

4.0. Introduction – – – – – – – – 28 4.1. Power supply unit – – – – – – – 28 4.2. Transmitter Unit – – – – – – – 28 4.3. The Receiver Unit – – – – – – – 29 4.4. Evaluation – – – – – – – – 29 4.5. Summary – – – – – – – – 32

Chapter FIVE

5.1. Summary of achievement – – – – – – 34 5.2. Problem Encountered and solution – – – – 34 5.3. Conclusion – – – – – – – – 34 5.4. Suggestion for Further Improvement – – – – 35 References – – – – – – – – 36 Appendix I – – – – – – – – 37 LIST OF TABLES 2.1. Radio frequency controlled – – – – 13 2.2. The connection of pins – – – – – 16 4.1. Bill of engineering quality – – – – – 32 LIST OF FIGURES

Project Abstract

This project deals with the design and implementation of a radio controlled car lock with 5-minutes ignition deactivation facility capable of locking a vehicle using a remote control from a distance. The system is designed in two functional units; the transmitter which is an RF handheld remote control, and the receiver units. The receiver unit is realized in several modules. A tuned radio frequency receiver (TRF) output is used to trigger a bi-stable multi-vibrator configured using CD 4013 whose output is used to trigger the car lock switch. The four doors of a conventional car are represented using four push and hold switches wired to trigger a 5-min delay circuit realized with Ne555 timer in mono-stable mode. The system works in such a way that if your car is snatched at gunpoint, you simply press the remote and the car locks by switching off a green LED before the armed robber zoom off. And once any of the doors is opened and closed, the vehicle automatically comes to a stop after five minutes. And the ignition lamp goes off too. The system also contains a reset switch installed at a recessed location in the car for resetting the locking system when the car is found. Due mainly because of the area of application, the system is chordless.

Project Overview

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