IntelliCart TM

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IntelliCart TM Automated Shopping and Checkout
System
Peter Dao, Joseph Esler, Brett Halper, Jason Price
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Objective
? To create an automated shopping and checkout
system with wireless communication between an
embedded system on a cart and an RFID tag on
merchandise.
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Division of Labor
Joseph (ECE) Software Systems Development Brett
(EE) Wireless and Hardware Design Jason
(EE) Embedded Systems Design Peter
(ECE) Hardware-Software Interface
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High-level Diagram
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Mid-level Diagram
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Low-level Diagram
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Hardware

• Deliverable
• 125 kHz ID-20 RFID Reader with RFID tag
• Graphic LCD (160x128)
• Power system
• Altera Cyclone II FPGA
• Magnetic stripe card reader
• Keyboard
• Memory/Storage to be determined
• Optional
• DE2 development board
• Load Cells
• Bluetooth module(s)
• 2-line/16 segment LCDs

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FPGA implementation

• Cyclone II EP2C35 FPGA
• 2 NIOS II soft-core processors 50 MHz
• Storage on chip, flash, SRAM
• GPIO - UART

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Software

• Java Micro Edition (ME)
• Java Virtual Machine (JVM)
• NetBeans IDE 6.5 (Software Development)
• Quartus II 8.1 (Altera DE2 Development)
• Altium Designer 6 (PCB Layout)

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Software

• Automatic totaling
• ASCII parsing (RFID and magnetic stripe
  readers)
• Item lookup
• GUI
• Electronic receipt (sent via e-mail)
• Pricing updates (in centralized database)

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Static Class Diagrams
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Interfaces
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Interfaces (cont.)

• RS-232 Serial
• RFID Readers
• Magnetic Stripe Reader
• Bluetooth Modems
• Keyboard
• Large LCD KS0108B
• Small LCDs HD44780

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Budget
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Risk Analysis

• Team skills
• Unfamiliar with mechanical design
• Unfamiliar with PCB design
• JVM implementation
• Bluetooth implementation
• Memory required for GUI
• Power requirements
• Overall cost

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Schedule
Optional
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Questions ???