Transcript Final Presentation ()

BuzzCard Access System for
Westminster Christian Fellowship
April 23, 2008
Ayush Samantroy
Dan van Kley
Adam Sakautzky
Matt Habib
ECE 4007 L01
Overview
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Magnetic card access system
Scheduling abilities
Database of active users
Audit trail
Web-based administration
Total cost for 5 doors including labor: $8,299
Technical Specifications
Proposed
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ISO 7810/7811 compliance
5 second response time
5% false negative rate
Automated offsite backup
12 hour battery backup
Achieved
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ISO 7810/7811 compliance
1 second response time
3% false negative rate
Manual offsite backup
12 hour battery backup
Scheduling
System Layout
Power
Source
12V
Regulator
Circuit
5V
5V
12V
Door
Strike
SBC
Data
Power
Magnetic
Card
Reader
Capture and Compare Hash
Magnetic card
is swiped
Compare hash
to access list
SBC receives
card information
and generates
MD5 hash
Log Entry and Access Control
Hash and entry
information is logged
If entry is allowed,
strike will open for
5 seconds
Enter User Information
Have user swipe
magnetic card at door
Obtain swipe information
via entry log and add to
user list
Power Schematic
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
Schedule
• 1/28 – 2/18 : Configured SBC
– Interfaced with laptop over FTP/Telnet
• 2/20 – 4/14 : Developed backend program
– Wrote C code for integration with readers/strikes
• 3/10 – 4/16 : Developed web interface
– Set up web server to interact with CSV files
• 4/23 – 5/2 : Installation
– Install SBC, card readers, and door strikes
Budget
Component
Projected
Actual
Magnetic Card Reader
$150 (ea.)
$117 (ea.)
$150
$119
$150 (ea.)
$24 (ea.)
Electric wiring
$100
$25
Conduit
$50
$50
Enclosure
$180
$150
Backup lead-acid battery
$60
$50
Labor Cost ($30/hour x 30 hours/week x 8 weeks)
$9,600
$7,200
TOTAL (for one door)
$10,440
$7,735
TOTAL (for five doors)
$11,640
$8,299
Technologic TS-7250 SBC
Electric locking mechanism
Current Status
Completed:
• Fully featured backend
program
• Web interface
• Testing of integrated
system for multiple
doors in lab
Pending:
• Repair/replace
malfunctioning SBC
• Install hardware at WCF
• Establish automated
offsite backup
• Test installed system for
all doors
Future Improvements
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Implement a SQL database on SBC
Implement hardware interrupts
RFID integration
Integrate with alarm system at building
Add a magnetic lock with egress system
Questions?