H

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H A R C S
ome utomation and emote ontrolled ystem
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Members
Leader Marshall Crocker (CPE)
Brian Menikheim (CPE)
Kristy Harden (CPE)
Advisor Georgios Lazarou
Garland Mims (CPE)
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Problem Statement

• Modern homes have many appliances
• Operated manually
• A way is needed to automate appliances
• Operated via a computer
• Connected by Ethernet network
• Remote Controlled
• Controlled over the internet
• Controlled over telephone

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Competition Smarthome

• Advantages
• X.10 technology uses existing wiring
• Simple installation
• Disadvantages
• Subject to interference
• Communication problems
• Limited control
• Unreliable

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HARCS vs. Competition

• Advantages
• Works with existing networks
• Can access by phone or over the internet
• Simple Installation
• Reliable
• Disadvantages
• Requires home network
• Requires home computer

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Design Constraints
1. Communication TCP/IP
2. Network 10 BaseT Ethernet
3. Bandwidth Less than 1 of network
4. Software Microsoft Windows OS, .NET Framework
5. System Requirements 100 MB, less than 1 CPU
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Design Constraints
6. Power 5 V DC, converted from 120 V AC outlet
7. Physical Packaging 5x3x2, 2 lbs
8. Compliance UL60730-1A, Part 15 of FCC Rules
9. Operating Temperature 0oC to 70oC
10. Cost Less than 100
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Physical Interface Model
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PC Software Components
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Hardware

• Cirrus CS8900A Ethernet controller

PIC Microcontroller
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Roles

• Marshall Crocker Hardware layout, TCP/IP
  programming for the hardware
• Brian Menihkeim Phone answering program, the
  TCP/IP for the software, website maintenance
• Kristy Harden Creating the XML schema and file,
  and the program for reading the XML file, MS
  Project updates
• Garland Mims Software design, programming the
  GUI and the scheduling service

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Current Status

• Design Constraints
• Software Interface Design
• Physical Model
• Use Cases
• Hardware Prototype
• Cirrus Ethernet Controller
• PIC Microcontroller
• Software Research