1. I llinois R iver O tter T racking S ystem ECE 445 #15 Fall 2012 Gerard McCann Bilal Gabula Osayanmo Osarenkhoe

2. Motivation Illinois River Otters can now be legally trapped after 83 years. Need for means of long distance tracking of the river otter for research purposes. Help INHS department in expanding known otter data. Complex engineering problem to optimize size and power. *Image Courtesy of LA Times

3. Overview

4. Main Components of Implant Microcontroller GPS chip and antenna RF chip and antenna Flash memory Power switch Complete Implant Device

5. Complete Implant Schematic

6. Microcontroller Attiny1634 PicoPower 2 UART COM links

7. GPS System Venus 638FLPx Skytrack Accurate to >100m Non-directional active antenna Timely Acquisition

8. RF System TI CC1000 Low power TX and RX >10m com radius

9. Power Switch TI-TPS22960 Dual Switch Low Quiescent Current Low ‘on’ resistance

10. Flash Memory Ramtron FM25p16 Low power Non volatile FRAM Instantaneous memory access

11. Implant - Power

12. Implant - Communication

13. Implant – Test Interface

14. Implant Final Board

15. Implant Battery GSP063450 1000mAh Rechargeable Battery

16. GPS Location Test It Works!!

17. Vibrational Energy Generating System Piezo crystals Insufficient Power Generation New PiezoOld Peizo Expected Steps Energy Generations J Steps Required / Day Energy Generations J Steps Required / Day Energy Required J Steps Expected / Day 4.37E-051.26E+076.03E-079.13E+085.00E-011.00E+04 Old Piezo New Piezo Number of Steps

18. Base Station

19. Microcontroller RF System SD Card & Interface Base Station Board

20. Any Questions?