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Team WEOP (Wireless Entertainment

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Team WEOP (Wireless Entertainment & Ordering Pager) ECE 4007 L03 Preliminary Design Review Presentation Team Members: Earl Cuenca Alex Groleau – PowerPoint PPT presentation

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Title: Team WEOP (Wireless Entertainment


1
Team WEOP(Wireless Entertainment Ordering
Pager)
  • ECE 4007 L03
  • Preliminary Design Review Presentation

Team Members Earl Cuenca Alex
Groleau Kirk Poucher Omar Sardar
Advisor Dr. Smith
School of Electrical and Computer
Engineering Georgia Institute of Technology
2
Project Objective s
  • Develop interactive paging system
  • Touchscreen pager devices
  • Versatile application modules
  • 802.11b/g wireless
  • Communication framework
  • Server
  • Terminal Displays

October 18, 2007
3
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
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
Potential Customers
  • Restaurants
  • Hotels
  • Hospitals
  • Bars Clubs
  • Airlines

October 18, 2007
6
WEOP System Design
7
Cost Overview
Components Prototype 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

October 18, 2007
8
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
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
Pager Device Design
11
VIA EPIA PX10000G Pico-ITX
October 18, 2007
12
October 18, 2007
13
October 18, 2007
14
(No Transcript)
15
LCD Touchscreen
  • LCD35VGATS (lcdtft.com)
  • 3.5 Touch Screen
  • 12V DC source
  • Integrated LED backlight
  • Resolution 640 x 480

October 18, 2007
16
Pager Device Power Schematic
October 18, 2007
17
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

October 18, 2007
18
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

October 18, 2007
19
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

October 18, 2007
20
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
Communication Framework
  • 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
  • 3rd party system integration plugins

22
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
Pager Menu and Interface
24
Pager Menu and Interface
25
Pager Menu and Interface
26
Pager Menu and Interface
27
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
  • LCDs consume a lot of power
  • Charging controller and battery

28
Future Work
  • Develop stack-type charging system
  • Design more compact computing system
  • Create water/shock-proof casing

29
  • Questions?
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