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Continuing with their fine series of tutorial videos, Humberto from NerdKits shows a number of basic experiments you can do with a DC motor, how EMF, resistance, and inductance influence the design of a motor control circuit, and finally, how to use toggled digital output and pulse-width modulation in driving the motor via a microcontroller.

NerdKits video tutorials [via Hack a Day]

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor for Boing Boing and WINK Books. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.

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