Download Spring Final Report - Electrical Engineering and Computer Science

Table of Contents
1 Introduction…………………………………………………………………………….3
1.1 Project Sponsor …………………………………………………………...…... 3
1.2 Executive Summary……………………………………………………..………4
1.3 Project Overview...........................................................................................5
1.3.1 Material Analysis of Banana Pins..………………………………………10
2 System Overview and Description………………………………………………..11
2.1 Background Information………………………………………………………….11
2.1.1 Lock Features………………………………………………………………11
2.2 System Requirements…………………………………………………………12
2.2.1 Hardware Requirements………………………………………………….13
2.2.2 Software Requirements…………………………………………………..13
2.3 System Diagrams………………………………………………………………15
2.3.1 Hardware Diagram………………………………………………………...15
2.3.2 Software Diagram………………………………………………………….15
2.4 Major Component Definition…………………………………………………15
2.4.1 CIP Components…………………………………………………………..16
2.4.2 Lock Components…………………………………………………………16
2.4.3 Software Components…………………………………………………….16
2.5 Current Interface Definition…………………………………………………..17
2.5.1 Card Reader to Host Computer………………………………………….17
2.5.2 Host Computer to Palmtop……………………………………………….17
2.5.3 Palmtop to CIP Module…………………………………………………...17
2.5.4 Host Computer to CIP Module…………………………………………...17
2.5.5 CIP Module to Lock………………………………………………………..17
2.6 Operational Concept…………..………………………………………………17
2.6.1 Operational Diagram………..…………………………………………….18
3 Proposed Solutions…………………...…….………………………………………18
3.1 Wireless RS 232 Connection……...…………………………………………19
3.1.1 Bluetooth……………………………..…………………………………….20
3.1.2 Infrared………………………………….………………………………….20
3.1.3 RF Transmission………………………………………………………..…21
3.2 Zero Insertion Force Pins………………………….…………………………...23
3.3 Re-designing Locks…………………………………….……………………….24
4 Final Solution…………………………………………………………………………24
4.1 Detailed Hardware Design……………………………………………………24
4.2 Detailed Software Overview………………………………………………….30
4.3 System Diagrams………………………………………………………………34
5 Testing…………………………………………………………………………………38
6 Conclusions…………………………………………………………………………...40
7 Suggestions for Future Work………………………………………………………40
8 Appendix…….…………………………………………………………………………42
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