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