BEEDL 123a finalPPT v6

Information about BEEDL 123a finalPPT v6

Published on February 4, 2008

Author: Pasquale

Source: authorstream.com

Content

Bluetooth Enabled Electronic Door Lock:  Bluetooth Enabled Electronic Door Lock (BEEDL) Thursday, December 6, 2006 Edmond Szeto Karen Liu Kipling Inscore Jerome Bougoffa Simple System Diagram:  Simple System Diagram Existing solutions:  Existing solutions Individual door lock – Omni lock in BE Centralized server – C-Cure in E2 http://www.swhouse.com Introducing BEEDL:  Introducing BEEDL Convenient Manageable Affordable http://www.access2growth.co.uk/images/keys.gif System Block Diagram:  System Block Diagram Inside the BEEDL Lock:  Inside the BEEDL Lock Lock Controller Functions:  Lock Controller Functions Accept user input Check user permissions Local Cache of the database Unlock door Control alarm Log usage http://www.wholesaleauthority.com/doorhandle/bristol/or/bristolprior.jpg Hardware Design:  Hardware Design Microcontroller Memory Power Supply External Interfaces Choosing the microcontroller:  Choosing the microcontroller Why a microcontroller Why the Rabbit 3700 Ethernet port Four Serial ports Existing software libraries Available WiFi Add-on Rabbit Semiconductor External Memory:  External Memory In case server is offline Operation log Cache IDs’ and passwords How to implement: SD card Removable Replaceable SanDisk Power Supply:  Power Supply Powered by grid Backup battery Low power consumption Power-saving mode http://www.virtuallastchapter.com/examples/chapter02/handyman/images/outlet.jpg http://www.cometsystem.cz/img/battery.jpg Data Interface:  Data Interface Data Interface:  Data Interface Serial & Ethernet Rabbit native communication Bluetooth Replaces serial cable WiFi Connect the lock to the server http://www.electronicsoutfitter.com/ images/items/25428-f2n209-06.jpg Physical Interface:  Physical Interface Physical Interface:  Physical Interface User Interface:  User Interface User Interface:  User Interface Input Side Bluetooth remote Attached Keypad Magnetic Stripe Reader and much, much more Management Side Management client VALLARTASOURCE.COM Server:  Server Server:  Server Sony Vaio Laptop GNU/Linux MySQL Database Web GUI http://www.transmetazone.com/articleimages/transvaioc1msx_perpspec2.jpg Security:  Security Tamper-resistance Forced-opening alarm Brute-force-attack lockout Verification End-to-end SSL Two layers Something you know: Password Something you have: Phone ID http://img.shopping.com/ Team Tasks:  Team Tasks Edmond PCB layout Bluetooth Karen Server Bluetooth Jerome PCB layout Microcontroller Kipling Server Power Supply Tasks Completed:  Tasks Completed Obtained server Install server software Picked and ordered a microcontroller Schedule:  Schedule Relay Packets Control System Memory for log Local database Program Server Bluetooth Remote Wi-Fi interface Encryption Budget:  Budget Estimated cost ≈ $1.6k Micro controller kit: $600 Bluetooth: $70 × 2 WiFi router: ≈$70 Door hardware: ≤$500 Misc Electronics: ≈$200 http://www.patrickhardy.com/images/money.jpg Challenges:  Challenges The design of the door lock Wi-Fi interface: connecting the micro controller to access points RSA/SSL (security encryption/decryption) Power supply Local tasks on the microcontroller Experiences:  Experiences Defining our project/goals Design choices Choosing parts Modular Input Security Issues Conclusion:  Conclusion Acknowledgements:  Acknowledgements Dave Crosby, Dave Vanunen, Bob Vitale, Karalee Ritcher Providing information about the security systems on campus Cyrus Bazeghi, Wentai Liu Guidance and feedback Questions?:  Questions? Edmond Szeto [email protected] Kipling Inscore [email protected] Jerome Bougoffa [email protected] Karen Liu [email protected]

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