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Bluetooth Low Energy Beacon

D esign Team 6 Nicholas Blackledge Chunyang Chu Matt Smania Steven Le Bowei Yu. Facilitator Dr. John Deller Sponsor Resource Center for Persons with Disabilities ( RCPD) Project Liaison Stephen Blosser Aditya Mathew. Bluetooth Low Energy Beacon. Introduction. MSU Campus

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Bluetooth Low Energy Beacon

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  1. Design Team 6 Nicholas Blackledge ChunyangChu Matt Smania Steven Le Bowei Yu FacilitatorDr. John DellerSponsorResource Center for Persons with Disabilities (RCPD)Project LiaisonStephen BlosserAditya Mathew Bluetooth Low Energy Beacon

  2. Introduction • MSU Campus • 538 buildings • 8.125 square miles • Resource Center for Persons with Disabilities (RCPD) • Help people with disabilities navigate campus

  3. Bluetooth Low Energy Beacon • Place around buildings on campus • Navigation via smartphone • Low cost, low power solution

  4. Background • Low Power Bluetooth Devices • Broadcast a packet 20 milliseconds to 10 seconds • 2.4-2.4835 GHz frequency • Beacon Information • UUID • Major Number • Minor Number

  5. Design Specifications • BLE beacon (Bluetooth version 4.0) • Compatible with Apple’s iBeacon • Less than $20 per beacon • Tamper resistant

  6. Demonstration

  7. Final Design • Based on TI cc2540 • 1x2 inches in size • Total Cost roughly $10 • Programming header to prevent tampering

  8. RF Design • PCB antenna • Via stitching • Solid Ground • Plane

  9. Software Design • Android • Radius Networks • iOS

  10. Test Results • Packet Capture

  11. Test Results • Connectivity Test • Maximum Range Test

  12. Test Results • Distance Accuracy Test

  13. Future Design Improvements • Hardware • Revise PCB layout • - Capacitors • - DC jack • Battery Powered • Software • Implement Database • Improve Android Distance Measurement • *picture of current PCB layout*

  14. Questions?

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