Blog: 2011
Description of Pulse Width Modulation blog post
Post date: 12 years 1 month ago
PWM (Pulse Width Modulation) refers to the concept of rapidly pulsing a digital signal on a wire. Along with many other uses, it can be used to simulate a varying static voltage. PWM is commonly used for driving motors, heaters, LEDs or lights in varying intensities or speeds.
TERMINOLOGY
Period...
All About Back-EMF Motion Control
Post date: 12 years 5 months ago
ElectroMotive Force
Electromotive force (EMF) refers to the voltage generated by a spinning motor. Measuring this voltage in order to determine the rotational speed of a motor is commonly called Back-EMF since the voltage tends to "push-back" against the circuit driving current into a motor's...
