Lesson 5: Infrared Encoder
Lesson Overview:
Detecting changes in color and reflectivity can be achieved using an infrared emitter and phototransistor. In this lesson we’ll do just that by making a rotary encoder for tracking a motor’s movement.
Lecture Page: http://www.pyroelectro.com/edu/sensors/infrared_encoder/
Discussion is open, so please let us hear the answers to your homework either here on P2PU or in our forums. Or, if you have other questions, shout them out loud!