EAS 199A Lecture 8:     19, 20 October 2011

8. Breathing LED

Class meeting on 19, 20 October 2011

Homework: Problem Set #4

Learning Objectives

1. Be able to derive the coefficients of, and evaluate the v(t) curve that describes a breathing LED.
2. Be able to use PWM to control the brightness of an LED
3. Be able to implement codes to simulate a breathing LED with straight line segments

Notes and Supplemental Files

1. Code for a breathing LED: detailed notes
2. Soldering instructions Powerpoint
3. DC motor circuits PDF slides and 3-up notes
4. Video of laser cutter fabrication of desktop fan pieces: Link

Overview of Desktop Fan Fabrication

Resistor codes have other applications