1. 1 Electrical and Computer Engineering Cam Proctor Ramsey Khudairi Tom Gilbert Chad Young Project Orion TekBand

2. 2 Electrical and Computer Engineering The TekBand  Bluetooth enabled wristband  Alerts wearer when receiving a phone call Vibration LED display  Wireless storage

3. 3 Electrical and Computer Engineering Overview  System Overview  MDR Accomplishments & CDR Goals  Component Implementation Progress Block Diagram  Remaining Tasks  Budget  Questions  Demo

4. 4 Electrical and Computer Engineering System Overview

5. 5 Electrical and Computer Engineering MDR Accomplishments  Microcontroller working Blinking LED  Printed Circuit Board Soldered 2mil pitch QFN package  Pairing with Bluetooth Module  Found Battery Charged and drained

6. 6 Electrical and Computer Engineering CDR Goals  File system and data transfer  Caller ID  Read and write to MicroSD card  Battery charging circuit  Clasp

7. 7 Electrical and Computer Engineering File Transfer - Progress  Send Files via Bluetooth  UART Terminal Program Tera Term  Microcontroller can receive files sent and read them  Avoided FTP Had to work serially with RS232 at first  Conversion with MAX 232 Converter USB 5V  Microcontroller 3.3V  Next Step is to Create GUI

8. 8 Electrical and Computer Engineering Caller ID - Progress  Can notify user when cellphone is receiving a call  Bluetooth connection with cell phone Service discovery protocol  Ordered KC-5290 to fully implement new profile Includes audio

9. 9 Electrical and Computer Engineering Call Notification - Profiles  Hands Free Profile KC-5290  Supports audio transfer but requires antenna  No anticipated problems Should be simple process to implement  Back up plan Firmware code available

10. 10 Electrical and Computer Engineering Call Notification Overview

11. 11 Electrical and Computer Engineering Call Notification  Demo  Blink LED when receiving incoming phone call  Next Steps Successfully identify the incoming phone number Create GUI Select which contacts correspond to LED colors

12. 12 Electrical and Computer Engineering MicroSD Card - Progress  Read and Write files to the MicroSD card  Connect MicroSD with File Transfer system Store, access, and manipulate files on MicroSD

13. 13 Electrical and Computer Engineering MicroSD Overview - Initialize

14. 14 Electrical and Computer Engineering MicroSD Overview - Read

15. 15 Electrical and Computer Engineering MicroSD Overview - Write

16. 16 Electrical and Computer Engineering MicroSD  Big hurdle 3 month project Adjusted examples for high capacity MicroSD Read and understood datasheets for all hardware Example code was outdated by two versions Had to switch Microcontrollers PIC 16 vs. PIC 18  Software for MicroSD storage available now M5?  Next Step: FAT32  Demo with File Transfer

17. 17 Electrical and Computer Engineering File Transfer with MicroSD Overview

18. 18 Electrical and Computer Engineering Battery - Progress  Battery charging circuitry Components  Charge battery to 4.1V via USB connection  Successfully stop charging when necessary Safety concerns

19. 19 Electrical and Computer Engineering Battery Charging Circuit  Designed a circuit that converted from voltage to current  Simulated and built the circuit  Had to sense the voltage across battery  Demo

20. 20 Electrical and Computer Engineering Battery Charging Circuit

21. 21 Electrical and Computer Engineering Battery Charging System Overview

22. 22 Electrical and Computer Engineering

23. 23 Electrical and Computer Engineering The Clasp  Clasp as a charger  Male/Female MicroUSB plugs  Female MicroUSB port for charging  No circuitry needed for male port

24. 24 Electrical and Computer Engineering Goals  File Transfer Easy to use GUI controlling File Transfer Sends files and receives them over Serial Port Profile Files stored on MicroSD card Communicate via Bluetooth  Caller ID Goals Have microcontroller recognize incoming call Light up LED corresponding with Caller ID User selects LED-ID correlation via GUI

25. 25 Electrical and Computer Engineering Goals (continued)  MicroSD Goals Read and Write files to the MicroSD card Connect MicroSD with File Transfer system Store, access, and manipulate files on MicroSD  Battery Goals All Goals Met  Clasp Goals Provide 5V for charging circuitry Provide a seal

26. 26 Electrical and Computer Engineering Budget  KC-21 Bluetooth Module $36  Magnets $10  MicroUSB Ports $15  PCB $100  MicroSD Card $5  KC-5290 Bluetooth Module $36  Two-Part Silicone Rubber (x2) $36  PIC 16 Microcontroller w/Programmer $60  PIC 18 Microcontroller $15  Rubber Mold Release $10  Total: ~$350

27. 27 Electrical and Computer Engineering Completing the TekBand  By Spring Break – March 11, 2011 Full demo of cell phone interface capabilities on board Design and order PCB File system setup Use terminal as user interface Edit, save, and receive files over serial Bluetooth lin k

28. 28 Electrical and Computer Engineering Questions?