1. Comprehensive Design Review Team Tessier: Brandon Thorpe Lucas Root Michael Shusta Telin Kim

2. Outline CDR Deliverables System Overview User Interface and Database Integration Embedded Programming PCB and Housing Design FPR Goals

3. CDR Deliverables User interface implemented Embedded programming completed Full SolidWorks design PCB design

4. System Overview Client Bluetag Database Locked Item Store Inventory IDB

5. Client Software Engine Interface Bluetag Engine Store Wireless LAN IDB

6. Phone Software User Interface BluetagUI.cod implemented Engine BluetagEngine.cod implemented Server Side Program IDB.exe implemented

7. Phone Software Specifications 256 kilobytes on disk Downloads in under 11 seconds on EDGE Maximum packet size transferred from IDB is less than 2kb (80ms) Throughput is limited by the database connection

8. Phone Software Demo IDB Hosted on “BLUETAG” Wireless LAN Login, Test Use-cases, Logout IDB output on Laptop

9. Embedded Programming PIC 16f688 micro connected via UART to RN-41 Bluetooth module Communication protocol Demonstration

10. Communication Protocol Used to guarantee message integrity and avoid erroneous execution All transmitted bytes or messages are buffered by start and stop bytes Unique to each type of message

11. Message Types Handshake request/reply HW Reset Request HW Reset Success Retransmit Request Retransmit Confirm System Purchase Reset RN- 41 PICPIC UART Unlock request and code Code match Code mismatch

12. Demonstration: Byte Definitions Retransmit Request Handshake Message Error Unlock Code Unlock Miss Lock Activate RT HD ME UC UM AC US RP TL RQ RH Reset Purchase Unlock Success Tag Locked Hardware Reset Request Hardware Reset Confirm

13. Solenoid Driver Mini/3V solenoids  14-week lead time, $400+ Boost circuit satisfies power, money req. States: CHARGE, FIRE, IDLE Draws 1.34 mA idle, 200 mA charging Schematic Handout: Implementation with screw terminals, hard reset, logic buffers, Molex bus, BJT, current steering diodes

14. Solenoid Driver

15. Surface Mount PCB Size: 3” x 1.5” x.062” Parts: $75, Fabrication: $50 Sits above 2.3” x 1” x.2” battery TOP BOTTOM

16. Plastic Housing Size: 4.5” x 2” x 1.125” Cost: $50

17. Estimated Current Budget AIRcable SMD: $70.00 Roving Networks DIP Module: $70.00 H-Bridge: $20.00 SMD PCB components: $80.00 Total: $240.00

18. Remaining Work Phone to tag Bluetooth connection PCB reviewed and ordered Housing fabricated Retailer software GUI

19. About 65% Complete

20. FPR Goals BlackBerry with Bluetag software installed Fully functional Bluetag module Interactive retailer database software Demonstration of process flow from lock to unlock

21. Questions

22. System Overview

23. Stop Byte UART Error Unlocked Yes No Sys Reset Stop YesNo RP Validate NoYes ME TL Set Locked Hand- shake Validate Unlock HW Reset Retrans- mit ME HD Resend Message WDT Reset Set Unlocked Yes No UM US Yes No ME Yes No ME Yes No Store in Message Space Yes No RT Restart UART Byte from UART Yes No Program Flow TL ME HD US UM RPReset Purchase Tag Locked Message Error Handshake Unlock Success Unlock MissRTRetransmit Request AC Lock ActivateRQ Hardware Reset RH Reset Confirm UCUnlock Code

24. Simulation

25. Code Specifications Bluetag Engine: 808 lines of Java BluetagUI: 603 lines of Java IDB: 907 lines of C# and XSD Calculated using CLOC Includes pure code lines only

26. SMD Part NameFootprintQuantityManufacturer/VendorUnit Price SMDCost 9V SolenoidN/A1Shindengen/Bicrom0.00 PIC16F688-I/SL MicrocontrollerSOIC-14/Y (Two SL and ST)1Microchip/DigiKey1.88 RN-41 Bluetooth ChipModule/Y1Roving Networks24.95 MC74AC04 DIP and SMD Hex InverterSOIC-14/Y1ON/DigiKey0.47 TPS6734I Boost ConverterSOIC-8/Y1TI/DigiKey3.57 MJD3055 Power NPN BJTDPAK/TO-252/Y1Fairchild/DigiKey0.78 MBR0520/MBRS130T3G Schottky DiodeSOD123 - Y/SMB - N1MicroCo/DigiKey0.44 Radioshack 2-Wire Screw Terminal (Blue, set of 4)Y1Radioshack22 3.7V 500mAh Lion Battery Pack1all-battery.com10.95 ADP3301ARZ-3.3 Voltage Regulator 3.3VSOIC-8/Y1Analog Devices/Digikey2.43 10.7k Resistor0603 SMD/Y20 33uF 20V Capacitor Tantalum6032-28 (EIA)/Y2AVX/DigiKey12.01 uF Capacitor0603 SMD/Y10AVX/DigiKey0.0280.28.047uF Capacitor0402 (1005 metric)/Y10AVX/DigiKey0.111.1.001uF Capacitor0402 (1005 metric)/Y10AVX/DigiKey0.0550.55 10uH Inductor CDPH4D19FNP-100MCCustom/Y1SUMIDA/DigiKey1.49 2200 uF CapacitorCustom/Y5Panasonic/DigiKey2.96614.83 1N4148 DiodeSOD-323F /Y1Fairchild/DigiKey0.32 2.2k Resistor0805 SMD/Y10 5-Pin Wire to Board Bus.1 " Pitch Header/Y1Molex/DigiKey0.87.1 uF Capacitor0603 SMD/Y10AVX/DigiKey0.0770.77 22pF Capacitor0402(1005 metric)/Y10AVX/DigiKey0.111.1 20 MHz CrystalCustom/Y1Vishay/Mouser0.52.47uF Capacitor0603 SMD/Y10AVX/DigiKey0.111.1 10uF Capacitor0603 SMD/Y10AVX/DigiKey0.6056.05 Reset Button and Resistor Housing Fab1NRI Printing75 PCB Fab1Advanced Circuits50 Ordered or Arrived TOTAL203.45 TOTAL W/O HOUSING AND PCB78.45