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Disc Golf Disc Locator

Disc Golf Disc Locator. Trevor Henry Project Advisor: John Spinelli. What is Disc Golf and Why this project?. What is Disc Golf? Outdoor sport played much like the game of golf Object is to throw the disc into the chain basket in as few throws as possible Why this Project? Save Money

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Disc Golf Disc Locator

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  1. Disc Golf Disc Locator Trevor Henry Project Advisor: John Spinelli

  2. What is Disc Golf and Why this project? • What is Disc Golf? • Outdoor sport played much like the game of golf • Object is to throw the disc into the chain basket in as few throws as possible • Why this Project? • Save Money • Save Time

  3. Goals of the Project: • Handheld device • Battery powered • Visual information to tell distance and direction • Easy to use • Disc with a Chip • Transmits signal using battery power • Has negligible interference with flight • Transmitter + Disc < 200 grams (max weight rule)

  4. Disc Used: Innova Star Gator Mid-Range Disc Diameter = 21.2 cm Wing width = 1.3 cm Rim depth = 1.4 cm Weight = 172.2 grams

  5. Design Process: Adding Weight Experiment 1 Quarter = 5.6 grams Conclusion: About 28 grams can be added to disc

  6. Design Process: Choosing Wireless System • RFID (Radio Frequency Identification) • Passive or Active • Active Transmitter • Phased Array • Directional Antenna What I chose: • Active Transmitter & Directional Antenna

  7. Diagram of Project:

  8. What I chose: Transmitter • RF Link Transmitter 434 MHz • Amplitude Shift Keying • Range 500 ft. (perfect conditions) • Supply Voltage: 3V – 12 V • Weight: < 1 Quarter • Height: < 1 inch • Width: < .5 inch

  9. What I chose: Receiver • RF Link Receiver 434 MHz • Amplitude Shift Keying • Range 500 ft. (perfect conditions) • Supply Voltage: 5V • Height: < 2 cm • Width: < 2 inches

  10. First Step: Communication of Transmitter and Receiver • Using the data sheets of the chips, the chips were set up and powered on a breadboard • Tried a non wave signal for input data on transmitter • This did not yield an output on the receiver • Used a 2V peak to peak square wave signal with 1V DCoffset • Yielded a readable output

  11. Experiment 2: Communication Distance Used oscilloscopes and wave generators between rooms N106 & N100

  12. Experiment 2: Communication Distance

  13. Ongoing Tasks: Attaching Components to Disc 3V Button Cell to power transmitter Push button switch to make transmitter active Use a 555 timer or develop a square wave generator to input data Develop a casing such that components won’t be harmed when the disc is thrown

  14. Ongoing Tasks: Handheld Device Attach a switch to turn on and off the device Develop a directional antenna Connect antenna to receiver Use a 5v battery source Attach a voltmeter to receiver output so that the user can determine distance to disc

  15. What I learned: Read data sheets carefully How to set up voltage sources correctly Time is deceiving

  16. Acknowledgements Advisor: Professor John Spinelli Lab Manager: Gene Davison

  17. Questions?

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