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Fabrication Of A Wireless Sensor Network for Extreme Environments

Fabrication Of A Wireless Sensor Network for Extreme Environments. Faye Yuen EE 496 / NASA Fellowship Design Review Presentation 1 Fall 2006. Project Overview. Create network of autonomous motes to collect data in extreme environments (i.e. Antarctica) that analog Mars.

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Fabrication Of A Wireless Sensor Network for Extreme Environments

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  1. Fabrication Of A Wireless Sensor Network for Extreme Environments Faye Yuen EE 496 / NASA Fellowship Design Review Presentation 1 Fall 2006

  2. Project Overview • Create network of autonomous motes to collect data in extreme environments (i.e. Antarctica) that analog Mars. • Contribute to Dr. Chris McKay’s research. • Meet NASA goals.

  3. Overall Block Diagram External Renewable Power Source Water Sensor JN5121 Wireless Microcontroller Computer

  4. + — — + External Power Supply Diode 2.5 mm Jack Socket (to JN5121 Mircrocontroller) Solar Module

  5. External Power Supply:Components • Flexible Thin Solar Modules • Schottky Diodes • 24+ Gauge Wire • Rechargeable NiMH Batteries • 2.5 mm Jack Socket

  6. External Power Supply:Tests • Measure overall cell efficiency and voltage/current characteristics • AM1.5 solar simulated light at different temperatures • Determine how the solar cell responds to different sunlight • Quantum efficiency at different cell biases

  7. Remaining Work • Water Sensor • Building external power supply • Documentation

  8. Potential Problems • Finding a purchasable water sensor (if not, designing one) • TIME MANAGEMENT!

  9. Timeline for Completion • October 20 – Test network range and sensors. • October 25 – Decide on Water Sensor. • October 30 – Complete Mid-Semester Report. • November 1 – Complete 1st Draft of 496 Report. • November 11 – External power supply built. • November 18 – NASA Presentation, EE 496 Design Review 2. • November 25 – Water Sensor built (if not bought). • December 1 – Test Water Sensor. • December 10 – Complete 496 Report.

  10. Gantt Chart

  11. Questions?

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