CS-EE 481 Spring 2006

481s06-PM 1University of Portland School of Engineering

Microprocessor-based Charge Controller

Post Mortem ReviewWednesday, April 19

CS-EE 481 Spring 2006

481s06-PM 2University of Portland School of Engineering

What Worked Well• Communication

– Weekly meetings– Emails

• Trust– Depended upon each other’s strengths– Divided up responsibility

• Choice of team members

CS-EE 481 Spring 2006

481s06-PM 3University of Portland School of Engineering

What Worked Well• Industry

– Free samples– Advice

• Software

• Vector boarding for low power system– Optimize space– Semi-permanent

CS-EE 481 Spring 2006

481s06-PM 4University of Portland School of Engineering

What Went Wrong

• Mixed signal system

• Budget

• Notorious analog system– Layout issues– Standalone IC

• High parts fatality

CS-EE 481 Spring 2006

481s06-PM 5University of Portland School of Engineering

Recommendations• Build as early as possible

• Know your resources– Choose teammates wisely– Free samples

• Make sure you can breadboard

• Have fun!

Share the load…

CS-EE 481 Spring 2006

481s06-PM 6University of Portland School of Engineering

Image References• Pictures on slide 1 taken from:http://www.mariotendo.com/gcn_sms.php

• Pictures on slide 3 taken from:http://home.tiscalinet.ch/dagis-bastelseite/images/pooh_friends_bild.gif

• Pictures on slide 2 taken from:http://www.ladylucca.com/shirts/ohana.jpg

• Picture of Megatron on slide 4 taken from:http://www2.hawaii.edu/~jayamamo/webpics/Transformers/megatron.jpg

• Picture of Rosie on slide 4 taken from:http://www.scarlet.nl/~ivo/photo_ROSIE4.JPEG

• Pictures on slide 5 taken from:http://www.julietwaldron.com/frodo/sfsuffer.jpg