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Contents

 

Introduction              4

 

1. Project Overview ~ Remote Information Validation Display (RIVD) System                        5

 

2. Key Pad and Number Encoding              7

 

3. Interfacing to computer              9

 

4. Receive /Transmit control on UART              9

     4.1 Initialization and Controls              10

     4.2 Transmitter Operation              11         

     4.3 Receiver Operation              12         

 

5. Power Supply and Battery Backup              13

 

6. RIVD Front panel connectors, Accessories and Physical dimensions              14

 

7. Software Development for GUI and Data Validation              15

     7.1 GUI of RIVD              15

     7.2 Visual Basic 6 Coding for RIVD              16

 

8. Result              18

 

9. Problems encounted              18

 

10. Conclusions              19

 

     Complete circuit diagram of RIVD              20

 

     Work plan schedule of RIVD              21

 

     Complete PCB layout of RIDV              22

            Silkscreen layer and components  22

            Top copper layer and holes       22

            Bottom copper layer and silk screen layer       23

 

Reference               24

 

Useful WWW sites              24

 

Appendix              25

 

 

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Last modified: July 13, 2002