1. Team WEOP (Wireless Entertainment & Ordering Pager) ECE 4007 – L03 Preliminary Design Review Presentation Team Members: Earl CuencaAlex Groleau Kirk PoucherOmar Sardar Advisor: Dr. Smith School of Electrical and Computer Engineering Georgia Institute of Technology

2. Team WEOP Project Objectives Develop interactive paging system  Touchscreen pager devices  Versatile application modules  802.11b/g wireless  Communication framework  Server  Terminal Displays October 18, 2007

3. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Customer Benefits Enhance ordering process and overall customer satisfaction Increase revenue via advertising  Internal advertisements (impulsive)  External advertisements (local businesses) Unite current service systems

4. Georgia Institute of TechnologyTeam WEOP End-User Benefits Provide entertainment during wait time Order appetizers, drinks, etc. wirelessly Display bill, handle tipping, payment Enhanced service environment interaction October 18, 2007

5. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Potential Customers Restaurants Hotels Hospitals Bars & Clubs Airlines

6. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 WEOP System Design

7. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Cost Overview ComponentsPrototype Cost Single Board Computer$230.00 Touch LCD Kit$150.00 Windows XP/CE Embedded$1.00 Casing$30.00 Misc. cable/connectors$15.00 Rechargeable batteries$50.00 Total$486.00 Estimated Selling Price (per unit) $350.00 Basic WEOP System Price - $4000  10 Interactive pagers  1 Charging Rack  Basic software application modules  Assumes existing server, wireless network, and optional terminal displays Additional devices and applications for sale

8. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Device Production Specs Physical Size: 3.5” x 3.5” x 1.5” Battery Life: 3.5 Hours (per charge) Wireless Range: 250 ft (from access point) Weight: 20 ounces Memory: 1 GB

9. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Device Prototype Goals Physical Size: 7.5” x 7.5” x 3.5” Operable on battery power Functional communication between device and server Complete software package Battery charging operation

10. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Device Design

11. Georgia Institute of TechnologyTeam WEOP VIA EPIA PX10000G Pico-ITX October 18, 2007

12. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007

13. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007

14. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007

15. Georgia Institute of TechnologyTeam WEOP LCD Touchscreen LCD35VGATS (lcdtft.com) 3.5” Touch Screen 12V DC source Integrated LED backlight Resolution: 640 x 480 October 18, 2007

16. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Device Power Schematic

17. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Device Power Supply MAX 1873 Current Limited Li-ion charger controller Up to 26V input voltage 2-, 3-, or 4-cell Li-ion battery charger Adjustable battery regulation voltage limit

18. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Device Power Supply picoPSU-120-WIR 12V to 32V wide input DC-DC ATX power supply Provides 100W/120W peak of power 100% silent, fanless

19. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Device Power Regulator MAXIM Linear Regulator MAX1658/MAX16595 2.7V to 16.5V Wide Input Voltage Range Adjustable 1.25V to 16V output High output current: 350mA Reverse Battery Protection

20. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Software Development Visual Studio 2005 Microsoft.Net Compact Framework Windows XP Embedded AnkhSVN Subversion repository Java coding standards Significant unit testing C# programming language Device virtualization

21. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Manages communication between pager devices, terminal displays, and server Fat server, thin client construction  Distributed software modules  Most operations handled on server  Terminal displays also function as clients 3 rd party system integration plugins Communication Framework

22. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Server Functionality Manage terminal displays Add/remove pagers from system Add/remove application modules on pagers Manage global and module settings View/edit current and pending operations

23. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Menu and Interface

24. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Menu and Interface

25. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Menu and Interface

26. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Pager Menu and Interface

27. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Current Status and Restraints SBC unit, PSU has been ordered Narrowing LCD options  Hard to get in touch with manufacturers  Budget concerns Developing software applications Determining power management options  LCD’s consume a lot of power  Charging controller and battery

28. Georgia Institute of TechnologyTeam WEOP Future Work Develop stack-type charging system Design more compact computing system Create water/shock-proof casing

29. Georgia Institute of TechnologyTeam WEOPOctober 18, 2007 Questions?