RFID Enhanced Shopping Cart

Matthew BreedenStan KomskyBrendan LeahyTodd Kamon Ji Hwan Kim

Problem Statement

Rising internet retailers Lack of available informationNeed of sales associateAdvertising of products

Project Overview

Direct consumer purchasesEducate consumer automaticallyEarn profit after first yearPrototype cost of ~$2500Production unit cost of ~$2000

Technical Accomplishments

Integrated RFID system with computer

Implemented software interfaceAdjusted for reliable item

detectionEffectively shielded the cart Supplies a web-based experience

Project Demonstration

Find Item

Store Location

Weekly Specials

Top Sellers

Help

Software Flowchart

ValidRFID?

Log Item andUpdate

'View Cart Screen'

Scan RFID

no

yes

no

Remove Item from cart list

Any Items in cart past time period? yes

Connection Overview

UHF RF Antenna

SamSYS MP9320 Range: 860-960 MHz Power:130 dBmW Distance: 22 inches Angle: ~70º

Mounted Antennas

RF Shielding

1/4” Galvanized zinc coated mesh

Attenuates RF signals

Surface Area: ~3186 in2

Technical Difficulties

Antenna power adjustmentAntenna signal areaUnable to use eBox 2300Software issues with zero tagsTime Constraints

•Back-end wireless server

•Utilizing a SQL database

Project Schedule

Integrated RFID Nov 15

Constructed cart Nov 23Completed user interface Dec 1

Future Enhancements

Utilize a different computer Use a RFID reader with a single

custom antenna Integrate a wireless database server Implement a rechargeable power

source

Business Concerns

Ideally suited for:Electronics superstores (Fry’s, Best

Buy)Electronics specialty stores

(MicroCenter) Initial implementation cost Overall price feasibility

Questions?