1. BuzzCard Access System for Westminster Christian Fellowship Matthew Habib Ayush Samantroy Daniel van Kley Adam Sakautzky ECE 4007 L01 March 3, 2008

2. Overview Magnetic cards for access into WCF Database of active users Audit trail Web-based administration Cost: $870

3. Technical Objectives ISO 7810/7811 compliance 5 second response time 5% false negative rate Secure offsite backup 12 hour battery backup

4. Single Board Computer Technologic TS-7250 Small power footprint Debian Linux Serial, USB, and Ethernet Digital I/O 5V DC $150

5. HID Magnetic Stripe Reader Dorado 6453 ISO 7810/7811 compliant Weatherproof 5V, 30mA DC $150

6. Magnetic Card Reader

7. Door Locks Electric Strike: Replaces existing door strike 12V, 300mA DC $150 Magnetic Lock: Alternative to door strike 12V, 100mA DC $400

8. User Access Flow

9. Power Schematic

10. Demonstration Objectives: Allow access with valid card only Generate accurate access log Administer system via web browser Operate system on battery backup Quality Assurance: Test false positive/negative rate

11. Budget ComponentCost Magnetic Card Reader$150 (ea.) Technologic TS-7250 SBC$150 Electric locking mechanism$150 (ea.) Electric wiring$100 Data cables (Serial)$10 Data cable (Cat5e)$20 Conduit$50 Enclosure$180 Backup lead-acid battery$60 TOTAL$870

12. Current Status Completed: Acquired hardware Initialized SBC Tested hardware Analyzed existing code Pending: Develop web interface Develop backend program Install hardware at WCF Test integrated system

13. Questions?