Getting Started with Raspberry Pi Zero

Richard Grimmett

• Verlag: Packt Publishing
• Jahr: 2016
• ISBN:
  9781786469465
• Auflage: 1
• Thema: Informatik
• Thema: Home Automation

Get started with the smallest, cheapest, and highest-utility Pi ever—Raspberry Pi Zero

About This Book

• Get started with Raspberry Pi Zero and put all of its exciting features to use
• Create fun games and programs with little or no programming experience
• Learn to use this super-tiny PC to control hardware and software for work, play, and everything else

Who This Book Is For

This book is for hobbyists and programmers who are taking their first steps toward using Raspberry Pi Zero. No programming experience is required, although some Python programming experience might be useful.

What You Will Learn

• Understand how to initially download the operating system and set up Raspberry Pi Zero
• Find out how to control the GPIO pins of Raspberry Pi Zero to control LED circuits
• Get to grips with adding hardware to the GPIO to control more complex hardware such as motors
• Add USB control hardware to control a complex robot with 12 servos
• Include speech recognition so that projects can receive commands
• Enable the robot to communicate with the world around it by adding speech output
• Control the robot from a distance and see what the robot is seeing by adding wireless communication
• Discover how to build a Robotic hand and a Quadcopter

In Detail

Raspberry Pi Zero is half the size of Raspberry Pi A, only with twice the utility. At just three centimeters wide, it packs in every utility required for full-fledged computing tasks. This practical tutorial will help you quickly get up and running with Raspberry Pi Zero to control hardware and software and write simple programs and games. You will learn to build creative programs and exciting games with little or no programming experience. We cover all the features of Raspberry Pi Zero as you discover how to configure software and hardware, and control external devices. You will find out how to navigate your way in Raspbian, write simple Python scripts, and create simple DIY programs.

Style and approach

This is a practical and fun?getting started? tutorial that will guide you through everything new that the Raspberry Pi has to offer.

Getting Started with Raspberry Pi Zero

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Table of Contents

Getting Started with Raspberry Pi Zero

Credits

About the Author

About the Reviewer

www.PacktPub.com

eBooks, discount offers, and more

Why subscribe?

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

1. Getting Started with Raspberry Pi Zero

Setting up the Raspberry Pi Zero

Powering the board

Hooking up a keyboard, mouse, and display

Installing the operating system

Adding Internet access

Accessing your Raspberry Pi Zero from your host PC

Summary

2. Programming Raspberry Pi Zero

Powering up Raspberry Pi Zero with Linux

Creating, editing, and saving files

Creating and running Python programs

Basic programming constructs on Raspberry Pi Zero

The if statement

The while statement

Working with functions

Libraries/modules in Python

Summary

3. Accessing the GPIO Pins on Raspberry Pi Zero

The GPIO capability of Raspberry Pi Zero

Simple GPIO digital voltage output

Raspberry Pi Zero and LED code

Adding a sonar sensor

Raspberry Pi Zero and the sonar sensor code

Connecting a digital compass to Raspberry Pi Zero

Accessing the compass programmatically

Summary

4. Building and Controlling a Simple Wheeled Robot

The basic platform

Controlling an H-bridge interface to the DC motors

Controlling your mobile platform programmatically using the Raspberry Pi Zero

Controlling the speed of your motors with PWM

Using a motor controller board to control the DC motors

Controlling the vehicle using the Raspberry Pi Zero in Python

Planning your path

Summary

5. Building a Robot That Can Walk

Robots that can walk

How servo motors work

Building the quadruped platform

Using a servo controller to control the servos

Communicating between the servo controller and a PC

Connecting the servo controller to the Raspberry Pi Zero

Creating a program in Linux to control your quadruped

Summary

6. Adding Voice Recognition and Speech – A Voice Activated Robot

Communication between the Raspberry Pi Zero and the robot

Giving your robot voice commands

Using eSpeak to allow your robot to respond with an audible voice

Using pocketsphinx to accept your voice commands

Interpreting commands and initiating actions

Summary

7. Adding Raspberry Pi Zero to an RC Vehicle

Configuring and controlling an RC car with Raspberry Pi Zero

Controlling the RC car in Python

Accessing the RC car remotely

Connecting a webcam

Summary

8. Playing Rock, Paper, or Scissors with Raspberry Pi Zero

A robotic hand

Moving the robotic hand

Connecting the servo controller to the Raspberry Pi Zero

Creating a program on Raspberry Pi Zero so that you can control your hand

Installing a USB camera on Raspberry Pi Zero

Downloading and installing OpenCV – a fully featured vision library

Gesture detection

Summary

9. Adding Raspberry Pi Zero to a Quadcopter

Constructing the platform

Mission planning software

Summary

Index

Getting Started with Raspberry Pi Zero

Copyright © 2016 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

First published: March 2016

Production reference: 1210316

Published by Packt Publishing Ltd.

Livery Place

35 Livery Street

Birmingham B3 2PB, UK.

ISBN 978-1-78646-946-5

www.packtpub.com

Credits

Author

Richard Grimmett

Reviewer

David Whale

Commissioning Editor

Kartikey Pandey

Acquisition Editor

Tushar Gupta

Content Development Editor

Merint Thomas Mathew

Technical Editor

Saurabh Malhotra

Copy Editors

Kevin McGowan

Sneha Singh

Project Coordinator

Francina Pinto

Proofreader

Safis Editing

Indexer

Priya Sane

Graphics

Disha Haria

Production Coordinator

Shantanu N. Zagade

Cover Work

Shantanu N. Zagade

About the Author

Richard Grimmett has always been fascinated by computers and electronics since his very first programming project that used Fortran on punch cards. He has a bachelor's and master's degree in electrical engineering and a PhD in leadership studies. He also has 26 years of experience in the radar and telecommunications industries, and even has one of the original brick phones. He now teaches computer science and electrical engineering at the Brigham Young University, Idaho, wh...