EAS 199A Lecture 7:     17, 18 October 2011

Last updated at 09:13 AM on 02 Nov 2011

7. Plotting in Excel, Desktop Fan Introduction, Breathing LED

Class meeting on 17, 18 October 2011

Homework: Problem Set #4

Learning Objectives

  1. Be able to set up a spreadsheet in Excel that is organized and easy to read
  2. Be able to construct a plot in Excel
  3. Be able to describe the main steps in constructing the desktop fan project
  4. Be able to derive the coefficients of, and evaluate the v(t) curve that describes a breathing LED.

Notes and Supplemental Files

  1. Excel spreadsheet to plot of resistor power versus resistance: Lecture Notes and Spreadsheet
  2. Fan project introduction: PDF slides and 3-up notes
  3. Introduction to PWM: PDF slides or detailed notes
  4. Equations for a breathing LED: PDF slides or Handout 2up slides or detailed notes
  5. Video of laser cutter fabrication of desktop fan pieces: Link

Overview of Desktop Fan Fabrication