Education: Hobby Servo Tutorial via Sparkfun
Here is some more information on building some movement into your projects using Hobby Servos, like those used in remote control airplanes and vehicles. Learn how servos work, how they can be modified and how you can use them in your projects with this excellent tutorial.
Introduction
Servo motors are an easy way to add motion to your electronics projects. Originally used in remote-controlled cars and airplanes, they now crop up in all sorts of other applications. They’re useful because you can instruct these small motors how far to turn, and they do it for you.
A typical hobby servoYou ordinary, small DC motor has two hookup wires and simply turns continuously when power is applied. If you want it to spin in the opposite direction, you reverse the power. If you want to know how far it has turned, you’ll need to devise a way to measure that.
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