1. A simpler way to shop!

2. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 The system is made up of three different modules: Product Two different types of identification Passive RF ID Bar Code Shopping Cart Computing system for product identification and real time price update LCD, displaying product description and total price RF link to communicate with checkout counter Checkout Counter RF link to communicate with shopping cart Product Database

3. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Facilitate people’s shopping Real time price update Audible (multilanguage) description (price, product name, etc.) Eliminate long/tedious lines Uploading final price to checkout counter, so that customer only needs to pay (no need to scan everything) Possible extension Advertisement opportunities Multilanguage Display

4. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Shopping CartCheckout CounterProduct Bar codes Or RF ID’s Micro controller Bar code scanner LCD RF interface Keypad Speaker Power supply Micro Controller RF interface LCD Signal Cancellation Power supply

5. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Bar code will be the product Id, to identify product information (Price, sale information, manufacturer and name of product). RF ID, will be used in the same idea but wireless, so that the consumer does not need to scan the item, simply put it in the cart. RF ID will be a passive component, so is safer, cheaper and less power consumption.

6. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Micro Controller: Will be using an HC11/12 to handle all the processes of actualize the price on the LCD, data transmit to cash register, speaker control and user interface. Barcode Scanner LCD: Display product information, total price with tax included, advertisements and sales information. RF interface: Transmitter and Transceiver Transmitter: Will be used to send the information to the cash register. Transceiver : Send a signal to the RF ID, and receive the product id.

7. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Keypad: Clear product, in case needed, input card information, to activate audio. Speaker: To output product information and price as audio for those who need it. It will have audio output in English, Spanish French and German Power Supply: Battery (12 volts, rechargeable) Generator on the wheels Recharge interface

8. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Micro Controller: To interface with the RF and display the Price LCD: Display the total amount to pay RF interface: To receive the information from the cart Signal cancellation: Send a signal to each item that has been purchased so that it does not trigger the alarm system Power Supply: Standard AC supply

9. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Michael Brogdon: Firmware and Software Development Enrique Conde: Firmware and Software Development Chad Gill: Hardware layout and design Douglas Schuyler: Hardware layout and design, cart design

10. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 CDR Have every part we need ordered or received Startup Code for Microcontrollers Product ID with Bar code complete LCD test code Keypad test code Bar code test code Audio test code Initial design of PCB completed and start manufacturing

11. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Milestone I Shopping cart (itself) complete Revision of PCB design Product RF ID complete Partial Integration Communication links up and running Hardware Drivers ready

12. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Milestone II Final PCBs complete with parts installed Shopping Cart complete with wiring and power supply Checkout complete Final testing and debug begins

13. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6

14. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 RF ID tags Availability Range and Power Bar code scanner is the backup PCBs Design of board Bugs in layout/connections Time to manufacture Debug

15. Tuesday, January 31 st 2oo6 Capstone, Spring 2oo6 Shopping Cart Generate enough power to recharge battery Resistance (on wheels for customers) Safety Try to design better Wireless Interfaces Chance of link failing Replacement parts