In the latest Explaining Computers video, Christopher Barnatt explains how to use servo motors with Raspberry Pi. Using servos is a great introduction to the digital making side of computing; servos allow you to control the movement of all manner of project components with your Raspberry Pi and a motor controller attached to its GPIO pins.

Raspberry Pi Servo Motor Control
Control of SG90 servos in Python on a Raspberry Pi, including an explanation of PWM and how a servo differs from a motor. You can download the code from the video at: The five-pack of SG90 servos used in this video was purchased on here: with a similar product on here: (affiliate links).

Servos and your Raspberry Pi
Christopher picked up his SG90 servo motors online, where you’ll find a variety of servo options. What type of servo you need depends on the project you want to create, … // Read more: original article.