Team 2 Solar Kiosk Project

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Team 2Solar Kiosk Project

• Sponsored by
• Team Members
• Jakub Mazur - Manager
• Eric Tarkleson Presentation/Lab
• Josh Wong - Webmaster
• Ben Kershner Document Preparation

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Presentation Outline

• Purpose
• Design Parameters
• System Architecture
• Power Management
• Questions

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Project Purpose

• Provide students in rural areas an opportunity to
  learn via computers.
• Solar powered
• Internet connected
• Multi user
• Obstacles
• No electricity
• No books
• No roof

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Test Case Tanzania
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Design Parameters

• Cost
• Power consumption
• Ease of use
• Safety
• Reliability
• Faithfulness to Lenovo hardware

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Major Project Considerations

• System architecture
• Laptops
• Thin Clients
• Multi Seat
• Power management
• Microcontroller monitoring
• Power control

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System Architecture Multi Seat

• Low power
• Low cost
• Open source software
• Proprietary software

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System Architecture Thin Clients

• Proven solution
• Reliable
• Low power
• Able to make DIY clients

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Power Management

• Utilize microcontroller to monitor and manage
  power
• PIC microcontroller
• LEM Hall effect sensors
• ADCs
• LCD display
• Status LEDs

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Power Management

• Necessary features
• Monitor battery voltage/current
• Monitor solar panel voltage/current
• Issue shutdown sequence
• Optional features
• Individual current draw
• Photo diode on solar panel
• Seat monitor
• Status reporting to central server

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Questions?