1. IEEE Project 2010 UW-Madison Student Chapter USB-Powered LED Color Organ Meeting 1

2. Agenda Introductions Meeting Schedule Design Introduction/Overview Eagle Tutorial Assignment

3. Meeting Schedule February 15, 18 Introduction, Eagle Tutorial Assignment March 1, 4 Layout Review, Eagle Q&A, Start Layout Individual Meetings (Weeks of March 15, 22) Board Layout Review, Make PCB Order Week of April Soldering Practice, Board Assembly April 28 (6:00pm), 31 (3:30pm) Board Assembly, Test, and Debug

4. Design Introduction The color organ operates from USB power. You can choose which USB connector to have on your board (A, B, or mini-B) Eight RGB LEDs are controlled by a microcontroller A 3.5mm stereo jack provides the audio input connection An optional USB UART allows the host computer to communicate with the microprocessor

5. Design Overview

6. Initial Eagle Schematic

7. Initial Eagle Layout

8. Eagle Assignment You’re welcome to work by yourself or with someone else – it’s your call Before the next meeting Download Eagle 5.7 from Cadsoft http://www.cadsoft.de/download.htm Complete the SparkFun tutorials http://www.sparkfun.com/commerce/tutorial_info.php?tutorials_id=108 http://www.sparkfun.com/commerce/tutorial_info.php?tutorials_id=109 Also learn about and experiment with  Create and name polygons  Turn thermals on and off Don’t worry about footprints.

9. Until we meet again… EAGLE installs PDF manuals and a confusing tutorial in the doc subdirectory Any questions? Look for materials at http://eceserv0.ece.wisc.edu/~morrow/IEEE

10. USB Connectors

11. USB UART

12. Switches

13. Microcontroller

14. Audio Input

15. LED Array and Drivers