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IEEE 2009 Backpack Light Project

IEEE 2009 Backpack Light Project. Agenda. Introductions Meeting Schedule Design Introduction Eagle Assignment. Meeting Schedule. March 3, 6 Introduction, Eagle Assignment March 10, 13 Design Review, Eagle Q&A, Start Layout March 31 (6:00pm), April 3 (3:30pm)

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IEEE 2009 Backpack Light Project

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  1. IEEE 2009Backpack Light Project

  2. Agenda • Introductions • Meeting Schedule • Design Introduction • Eagle Assignment

  3. Meeting Schedule • March 3, 6 • Introduction, Eagle Assignment • March 10, 13 • Design Review, Eagle Q&A, Start Layout • March 31 (6:00pm), April 3 (3:30pm) • Board Presentations, PCB Order • April 14 (6:00pm), 17 (3:30pm) • Soldering Practice, Board Assembly • April 28 (6:00pm), 31 (3:30pm) • Board Assembly, Test, and Debug

  4. Design Introduction • The backpack light operates from two AAA alkaline or NiMH batteries. • A boost converter raises the battery voltage to the ~9V needed to power the LEDs with 80-90% efficiency • Four LEDs provide 360 visibility • A microcontroller provides programmable flash patterns and automatic shut-off • Turn-on mechanism still in R&D…

  5. Eagle Assignment • Decide if you want to work by yourself of with someone else – it’s your call • Before the next meeting • Download Eagle 5.4 from Cadsoft • Complete the tutorial in the manual • Learn about • Create and name polygons • Turn thermals on and off • Don’t worry about footprints. We’ve already got all of them

  6. Until we meet again… • Any questions? • Look for materials at http://eceserv0.ece.wisc.edu/~morrow/

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