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 Locate Wildlife/Ga me Attach to Arrow Access Arrow Attach to Wildlife Does not alter Shot Detach from Arrow Link to Animal Remains attached during Flight Protect Functional Integrity Safeguard Electronics Indicate Location of Attachment Device Transmit Signal Activate Transmitter Receive Signal Activate Receiver Process and Interpret Signal

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 Arrow AttachmentUser 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 Arrow Attachment Electronics Device Power Consumption (mW) GPS Receiver66 Microcontroller5 RF Transmitter9 Total:80 User Device Electronics Device Power Consumption (mW) RF Receiver15 Microcontroller 5 TFT LCD100 Total:120

13. IDRisk ItemEffectCause Likelihood Severity Importamce Action to Minimize RiskOwner 1 Effect on flight of the arrow The attachment could cause an inaccurate shot The aerodynamics of the arrow become faulty 339 Ensure the aerodynamics of the arrow are unaffected by the attachment Tim/Alex 2 Range of the Device Location of the animal unknown The animal becomes out of range of the device 339Wireless data transmission testEric/Joe/Frank 3 Enough holding force for the attachment to the arrow Tracker doesn’t stay on arrow during flight or impact Not enough holding force to the arrow 339 Test by applying a pulling force to the attachment of the arrow Tim/Alex 4 Unfamiliarity with wireless Transmitting/Receiving Difficulties choosing the best method for signal translation Lack of RF/wireless transmission knowledge 339 Seek help from an expert in the signals field (ie. Dr. Amuso) Eric/Joe/Frank 5 Circuitry size constraint Weight and size of arrow becomes too robust Unnecessary circuitry339 Keep the circuitry small enough to fit into your palm Eric/Joe/Frank 6 Placement of mechanism onto arrow Cause injury/ harm to the user or effect the accuracy of the shot Placing the device towards the butt of the arrow 339 Avoid placing the device towards the back or mid section of the arrow Tim/Alex Risk Assessment A

14. Risk Assessment B IDRisk ItemEffectCause Likelihood Severity Importance Action to Minimize RiskOwner 7 Lose of Signal TransmissionAnimal becomes lost Heavily wooded areas or obstacles blocking the signal of the attachment to the user device 236 Explore all frequencies for which the RF components can operate on, and select the frequency which provides the most minimal interference Eric/Joe/Frank 8 Animal falling on top of attachment The signals from the attachment will be seriously if not completely attenuated The body of the animal causes a median, for which signals cannot pass through 236 Operate in a range of frequency, which signals can pass through the deer carcass Team P14347 9 Detachability of the device If the device doesn’t detach the attachment could block the penetration of the shot Faulty detachment mechanism 224 Test the device on different material surfaces Tim/Alex 10 Part Lead TimesDelays in the projectionProcrastination224 Ensure the parts are ordered ahead of schedule Team P14347 11 Avoiding Patent InfringementProduct can’t go to market Lack of attention to detail and patents 122 Be aware and research all current restraints by patents Team P14347 12 Durability of attachment (Reusability) Device is fragile and requires replacing periodically Weak materials and poor construction of device 212 Ensure that weak, brittle materials are a last resort Tim/Alex 13 Budget ConservationGoing over budgetPoor budgeting111Draft and follow a strict budgetTeam P14347 14 Geometry of the device An alarming sound, alerting the animal Bulky geometry111 Computation model of the aerodynamic drag of the attachment Tim/Alex

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