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Wildlife Tracker: Subsystems Design Review

This progress report outlines the research, design, and purchasing progress for the Wildlife Tracker project. The team has researched and determined that integrating cellphone and Google Maps is a viable user module. Circuitry block diagrams have been established, an enclosure model is complete, and test parts are being purchased. The report also includes information on the arrow attachment deviation experiment and refined budget. Faculty review consultations have been completed with Dr. Amuso and Dr. P. Venkataraman.

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Wildlife Tracker: Subsystems Design Review

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  1. Wildlife Tracker: Subsystems Design Review MSD I Team P14347

  2. Progress Report • Cellphone & Google Maps Integration has been researched & found to be a viable User Module • Circuitry Block Diagrams Established (w/ Pin Connections) • Enclosure Model Completed • Began Purchasing Test Parts • Arrows & Broadheads • Linx Technologies • Initial Arrow Attachment Deviation Experiment ready for trial • Refined Budget • Faculty Review Consultations Completed • Dr. Amuso • Dr. P. Venkataraman Previous Questions: • Burst vs. Continuous Transmission – Burst will utilized for the application (10-15 min. bursts) • FCC Safety Requirements – SAR (Specific Absorption Rate) 1.6 W/kg

  3. Project Deliverables • Durable re-attachable tracking device that connects onto an arrow • Handheld user device that monitors the location of the GPS attachment • ‘Second Chance’ retrieval feature (In case shot is not fatal) • Intuitive, easy to understand User Manual

  4. Functional Decomposition

  5. Arrow Attachment - Electronics • GPS Receiver • Receive location coordinates from GPS satellites • Power Consumption : 66mW (at 3.3V) • Microcontroller • Takes data from GPS receiver and converts it to be compatible with RF Transmitter • Power Consumption : 5 mW (at 2.5V) • RF Transmitter • Transmit GPS location from arrow attachment to handheld device • Power Consumption : 9mW (at 3.0V) • Battery • Provide power to Receiver, Transmitter, and Microcontroller • Voltage : 3V

  6. User Device - Electronics • Receiver: Radio Frequency • Size Constraints: Mobile (Easy to Handle) • Power Constraints: Mild • User Interface: Straightforward • RF Receiver • Receives GPS data from arrow attachment • Power Consumption : 15mW (at 3.0V) • GPS Receiver • Receive location coordinates of user • Power Consumption : 66mW (at 3.3V) • Small LCD Screen • Displays map, user, and location of animal • Microcontroller • Converts data from RF Receiver to LCD screen • Power Consumption : 5 mW (at 2.5V) • Battery • (4) AA [1.5V*4 = 6V Power Supply]

  7. Transmission of Signal GPS Receiver Satellite GPS Receiver LCD Screen Microcontroller Microcontroller RF Receiver RF Transmitter Arrow Attachment User Device

  8. Transmission of Signal • Must meet FCC Regulations • Low frequency waves • Work better around obstacles (e.g. trees) • Goal is to utilize AM frequency range (535-1705kHz) • Transmitter must be low weight, low power consumption • Receiver has more flexibility

  9. GPS Receiver • LOCOSYS GPS MC-1612-2R module • Input voltage: 3.3V • Supply current: ~20mA • -40 to 85 degree Celsius operation • 12.2 x 16 mm

  10. RF Transmitter/Receiver • LR Series • Small size • Input voltage: 3.0V • Supply current: ~3-15mA • -40 to 85 degree Celsius operation • Transmit/receive RF signals

  11. 4.3” TFT LCD Screen • Thin-Film-Transistor Liquid-Crystal Display (TFT LCD) • Input Voltage: 4.0V • Supply Current: 25mA • Operation Temperatures: -20 to 60°C

  12. Power Consumption

  13. Risk Assessment A

  14. Risk Assessment B

  15. iPhone Application • Integration with Google Maps • Application Programming Interface (API) • Web based application(Cellular Service is assumed by Saber)

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