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Wireless Sensor Network for Extreme Environments Project Overview

This project involves creating a network of autonomous motes to collect data in extreme environments like Antarctica analog Mars, contributing to Dr. Chris McKay's research and meeting NASA goals. The block diagram includes components like an external renewable power source, water sensor, JN5121 wireless microcontroller, and more. The project timeline outlines key milestones like testing network range and sensors, completing reports, and building the external power supply. Potential challenges include finding or designing a water sensor and managing time effectively.

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Wireless Sensor Network for Extreme Environments Project Overview

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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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