Driving High Power Loads with H-bridge
high power loads using low-level voltage signals
A common automation system requirement is to drive or actuate high power loads using low-level voltage signals.
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Description of Pulse Width Modulation blog post
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.
All About Back-EMF Motion Control
ElectroMotive Force
Electromotive force (EMF) refers to the voltage generated by a spinning motor.