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Wildlife Tracker: Subsystems Design Review

Wildlife Tracker: Subsystems Design Review. MSD I Team P14347. Progress Report. Cellphone & Google Maps I ntegration has been researched & found to be a viable User Module Circuitry Block D iagrams Established (w/ Pin Connections) Enclosure Model Completed Began Purchasing Test Parts

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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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