security systems chicago | cctv installations chicago | home theater chicago
TRANSCRIPT
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Overview
Project Objectives and Purpose
Approach
Sub-systemsDivision of Labor
Schedule
Risks and Contingencies
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Motivation for Implementing
Allow home owners to always know what is
happening in their house
Allow remote access to the system
Fend off intruders
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System Diagram
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Control System
Communicates with each sensor
Communicates with Visual Station
Records data from sensors
Responds to events (trigger alarm)
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Control System
Main control processor: ATMega128
RF link: ZigBee Wireless
Internet: TBD Ethernet module
Data Storage: SD cards
Alarm Trigger: Standard IO
Programming: C/C++ using Eclipse
Visual Station: Connected via Serial
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Sensors
Infrared motion detection
Magnetic proximity for doors/windows
Glass integrity sensor
Temperature sensor
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Sensors
Simple control processor: ATMega8
RF link: ZigBee Wireless
Magnetic sensors: HALL effect switch
Glass Integrity: Glass Break Detector
Temperature: Analog or Serial
Infrared Sensor: Self-Designed
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Visual Station
Contained within a laptop
Continuously updating sensor values
Graphically displays information
Monitor and control system settings
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Alarms
Lights
Noise (siren)
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Power Sources
All parts of the system will be poweredby AC
All digital components and chips willrun at 3.3V
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Extras
Control the coffee pot or oven
Lock doors
Camera nodes
Real time graphs of each sensor
Other Control Nodes (Turn on lights,open garage door)
SMS notification
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Division of Labor
Programming: Paul and Pavel
PCB Designs: Paul and Pavel
Analog Circuitry: Jeff and Tyler
Power Implementation: Jeff and Tyler
Sensor Construction andImplementation: Jeff and Tyler
Documentation and Testing: All
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Gantt Chart
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BudgetSTK 500 Programmer
ATMega128
ATMega 8
ZigBee Chips
Temperature Sensor
IR Sensor ComponentsMagnetic Sensor
Broken Glass Sensor
PCB
Passives
Power Circuitry
Power Supplies Alarm Lights
Alarm Siren
Buffer Budget
Program MCU on Control System and Sensor Nodes
3 Revs of the Control System MCU
3 Revs each sensor MCU
3 Revs Wireless chips for all MCUs
3 Revs of Temp on all boards
3 Revs of self built IR Sensor3 Revs of Magnetic Sensor
3 Revs of Broken Glass sensor
3 Revs of PCB (includes shipping/handling)
3 Revs of Passive components
3 Revs of Power for all Boards
Power the Control and Sensor BoardsSimple Alarm
Sound Alarm
Allow for unseen costs
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BudgetSTK 500 Programmer
ATMega128
ATMega 8
ZigBee Chips
Temperature Sensor
IR Sensor ComponentsMagnetic Sensor
Broken Glass Sensor
PCB
Passives
Power Circuitry
Power Supplies Alarm Lights
Alarm Siren
Buffer Budget
TOTAL
$85
$45
$48
$60
$30
$30$30
$90
$120
$60
$90
$35$15
$10
$77
$825
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Risks/Contingencies
1. Wireless communication adds tosensor interface complexity*Remove wireless link from sensors.Use simple wires.
2. Number of remote units increasescomplexity
*Decrease number of remote units
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3. PC interface functionality of graphingand displaying data*Simplify the Visual Station graphingfunctionality
4. Remote access via web server*Simplify the web server or use the
Visual Station instead
Risks/Contingencies
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Questions??
Stealth Watching All the Time