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Bluetooth Low Energy Beacon

Introduce BLE beacons for aiding persons with disabilities to navigate campus efficiently via smartphones at a low cost, low power solution. Design objectives include compatibility with iBeacon, tamper resistance, and small size for easy placement. Three conceptual designs ranked favorably, with a budget plan in place.

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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 Resource Center for Persons with Disabilities Bluetooth Low Energy Beacon

  2. Introduction • 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. Beacons on the Market • Estimote Beacon • piBeacon

  5. Design Objectives • BLE beacon (Bluetooth version 4.0) • Compatible with Apple’s iBeacon • Less than $20 per beacon • Tamper resistant • Small size • Develop iOS and Android applications

  6. Conceptual Design • Three possible designs • TI cc2540 BLE chip • Bluegiga BLE112 BLE module • Nordic Semiconductor nRF8001 BLE chip • All three designs meet objectives • Support Bluetooth 4.0 standard • Cheaper price, within $20

  7. Conceptual Design Rankings Bluegiga BLE112 TI cc2540 chip Chip design Nordic nRF8001 Product size Price $16 ≈$6 ≈$6 Security Development 1 3 3 time(weeks)

  8. Solution • TI cc2540 • Bluegiga BLE112 development board • PCB antenna • Disable flashing via Bluetooth

  9. Current Progress

  10. Next Steps • Firmware development • PCB layout • Mobile application • Testing

  11. Budget Budget Table

  12. Questions?

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