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Raspberry Pi Robotic Blueprints

You're reading from   Raspberry Pi Robotic Blueprints Utilize the powerful ingredients of Raspberry Pi to bring to life your amazing robots that can act, draw, and have fun with laser tags

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Product type Paperback
Published in Oct 2015
Publisher
ISBN-13 9781784396282
Length 198 pages
Edition 1st Edition
Concepts
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Toc

Table of Contents (9) Chapters Close

Preface 1. Adding Raspberry Pi to an RC Vehicle FREE CHAPTER 2. Adding Raspberry Pi to a Humanoid Robot 3. Building a Tracked Vehicle That Can Plan Its Own Path 4. Building a Robot That Can Play Laser Tag 5. A Robot That Can Draw 6. A Robot That Can Play Air Hockey 7. A Robot That Can Fly Index

Controlling the paddle using stepper motors


The first step in controlling your air hockey playing robot is to control the position of the three stepper motors in your paddle system. To understand how to do this, let's start by exploring how stepper motors work. The following is an image of a stepper motor:

Stepper motors are a bit different from the servos that you used in Chapter 5, A Robot That Can Draw. Stepper motors operate in a similar way to DC motors as even they can rotate continuously. However, the stepper motor has the ability to drive the motor in small steps. For a tutorial on the specifics on stepper motors, refer to https://en.wikipedia.org/wiki/Stepper_motor.

Stepper motors can be a bit difficult to work with as the control is more complex than DC or servo motors. Fortunately, the three-dimensional printer movement has created an entire community around designing the hardware and software to make this process easier. One important factor to be considered for the project is...

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