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FPR Keeping The Secret

FPR Keeping The Secret . Group: Adebayo Adeyemi, Joseph Hayward, Mark Kohls, Simon McAuliffe Advisor: Dennis Goeckel. Brief Overview . Step 1 : Send test signal to desired radio. Step 2 : RX radio sends back reply signal. Friends measure this signal strength.

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FPR Keeping The Secret

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  1. FPRKeeping The Secret Group: Adebayo Adeyemi, Joseph Hayward, Mark Kohls, Simon McAuliffe Advisor: Dennis Goeckel

  2. Brief Overview Step 1: Send test signal to desired radio. Step 2: RX radio sends back reply signal. Friends measure this signal strength. Step 3: TX radio sends out message. Friends not in range transmit noise.

  3. System Requirements • Battery life of at least 12 hours • Receive and transmit • Operate while walking • Operate up to 300 meters. • Receive signal with 95% success rate. • Voice Transmission Bandwidth • Maintain secure communications • Less than 10% interception rate • Handheld and less than 2lbs.

  4. Software Requirements RX Radio TX Radio RX Radio RX Radio

  5. Radio Diagram Transceiver Microphone Transmitter Antenna Microcontroller Receiver Speaker

  6. Design Challenges • Noise • Appropriate Signal Threshold • Duration for transmission • Variable transmission strength • Procuring reliable data • Demonstrate functioning system • Computer display of radio activity • Consistent receiving and transmitting

  7. Schematic

  8. PCB

  9. Testing • Conclusion difference of .1 volt

  10. Simulation Data

  11. How Data Was Found

  12. How Data Was Found Distance

  13. How Data Was Found Angle

  14. How Data Was Found If wall wallhit++

  15. How Data Was Found If wall wallhit++

  16. How Data Was Found

  17. Radio Program Flow Chart

  18. GUI Demonstration

  19. Radio Demonstration

  20. System Requirements • Battery life of at least 12 hours • Receive and transmit • Operate while walking • Operate up to 300 meters. • Receive signal with 95% success rate. • Voice Transmission Bandwidth • Maintain secure communications • Less than 10% interception rate • Handheld and less than 2lbs.

  21. Questions?

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