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Backpack Light Project Agenda and Overview

This document outlines the agenda for the Backpack Light Project, detailing introductions and meeting schedules from March to April 2009. Key activities include design introductions, Eagle assignments, board presentations, soldering practice, and assembly tasks. The backpack light itself runs on two AAA batteries, utilizing a boost converter for LED operation and features programmable flash patterns via a microcontroller. The goal is to innovate a product with enhanced visibility and efficiency. Additional resources for Eagle 5.4 are provided for team members to prepare before meetings.

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Backpack Light Project Agenda and Overview

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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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