Team WEOPTeam WEOP(Wireless Entertainment & Ordering Pager)(Wireless Entertainment & Ordering Pager)

ECE 4007 – L03ECE 4007 – L03Preliminary Design Review Preliminary Design Review

PresentationPresentation Team Members:

Earl Cuenca Alex GroleauKirk Poucher Omar Sardar

Advisor: Dr. Smith

School of Electrical and Computer Engineering

Georgia Institute of Technology

Georgia Institute of TechnologyTeam WEOP

Project Objectives

Develop interactive paging systemTouchscreen pager devicesVersatile application modules802.11b/g wirelessCommunication frameworkServer Terminal Displays

October 18, 2007

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Customer Benefits Customer Benefits Enhance ordering process and overall

customer satisfaction Increase revenue via advertising

Internal advertisements (impulsive)External advertisements (local businesses)

Unite current service systems

Georgia Institute of TechnologyTeam WEOP

End-User BenefitsEnd-User Benefits Provide entertainment during wait time Order appetizers, drinks, etc. wirelessly Display bill, handle tipping, payment Enhanced service environment

interaction

October 18, 2007

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Potential CustomersPotential Customers Restaurants Hotels Hospitals Bars & Clubs Airlines

Georgia Institute of TechnologyTeam WEOP October 18, 2007

WEOP System DesignWEOP System Design

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Cost OverviewCost OverviewComponents 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

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Device Production SpecsPager 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

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Device Prototype GoalsPager 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

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Device DesignPager Device Design

Georgia Institute of TechnologyTeam WEOP

VIA EPIA PX10000G Pico-ITXVIA EPIA PX10000G Pico-ITX

October 18, 2007

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Georgia Institute of TechnologyTeam WEOP October 18, 2007

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

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Device Power SchematicPager Device Power Schematic

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Device Power SupplyPager 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

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Device Power SupplyPager 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

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Device Power RegulatorPager 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

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Software DevelopmentSoftware 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

Georgia Institute of TechnologyTeam WEOP October 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

3rd party system integration plugins

Communication FrameworkCommunication Framework

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Server FunctionalityServer 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

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Menu and InterfacePager Menu and Interface

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Menu and InterfacePager Menu and Interface

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Menu and InterfacePager Menu and Interface

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Pager Menu and InterfacePager Menu and Interface

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Current Status and RestraintsCurrent Status and Restraints

SBC unit, PSU has been ordered Narrowing LCD options

Hard to get in touch with manufacturersBudget concerns

Developing software applications Determining power management options

LCD’s consume a lot of powerCharging controller and battery

Georgia Institute of TechnologyTeam WEOP

Future Work

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

Georgia Institute of TechnologyTeam WEOP October 18, 2007

Questions?