Getting Started with Raspberry Pi Zero 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 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 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 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 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 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 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 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 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 Adding Raspberry Pi Zero to a Quadcopter Constructing the platform Mission planning software Summary Index Getting Started with Raspberry Pi Zero 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 L LED code and Raspberry Pi Zero / Raspberry Pi Zero and LED code library, control board URL / Controlling the RC car in Python Light Emitting Diode (LED) about / Simple GPIO digital voltage output Linux Raspberry Pi Zero, powering up with / Powering up Raspberry Pi Zero with Linux Linux commands defining / Powering up Raspberry Pi Zero with Linux Lynxmotion about / Building the quadruped platform M MAC OS X URL / Installing the operating system make system about / Interpreting commands and initiating actions Master In Slave Out (MISO) about / Connecting a digital compass to Raspberry Pi Zero Master Out Slave In (MOSI) about / Connecting a digital compass to Raspberry Pi Zero MAVLink about / Mission planning software MAVProxy reference / Mission planning software Mission Planner about / Mission planning software mission planning software defining / Mission planning software URL / Mission planning software mobile platform controlling programmatically, Raspberry Pi Zero used / Controlling your mobile platform programmatically using the Raspberry Pi Zero motor controller board used, for controlling DC motors / Using a motor controller board to control the DC motors motor speed controlling, with PWM / Controlling the speed of your motors with PWM mouse, Raspberry Pi Zero connecting / Hooking up a keyboard, mouse, and display N nano URL / Creating, editing, and saving files Nmap about / Accessing your Raspberry Pi Zero from your host PC URL / Accessing your Raspberry Pi Zero from your host PC NumPy installing / Mission planning software O OpenCV downloading / Downloading and installing OpenCV – a fully featured vision library installing / Downloading and installing OpenCV – a fully featured vision library operating system installing / Installing the operating system P path planning URL / Planning your path PC and servo controller, communicating between / Communicating between the servo controller and a PC Pixhawk flight controller about / Constructing the platform references / Constructing the platform platform constructing / Constructing the platform pocketsphinx used, for accepting voice commands / Using pocketsphinx to accept your voice commands about / Using pocketsphinx to accept your voice commands URL / Using pocketsphinx to accept your voice commands Pololu URL / Controlling the speed of your motors with PWM, Using a servo controller to control the servos, Moving the robotic hand, Connecting the servo controller to the Raspberry Pi Zero references / 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 program, in Linux creating, for controlling robot / Creating a program in Linux to control your quadruped program, on Raspberry Pi Zero creating, for controlling hand / Creating a program on Raspberry Pi Zero so that you can control your hand Pulse-Width-Modulated (PWM) about / How servo motors work Pulse Width Modulation (PWM) about / Controlling the speed of your motors with PWM, Configuring and controlling an RC car with Raspberry Pi Zero PuTTY about / Accessing your Raspberry Pi Zero from your host PC URL / Accessing your Raspberry Pi Zero from your host PC PWM motor speed, controlling with / Controlling the speed of your motors with PWM Python references / Creating and running Python programs RC car, controlling / Controlling the RC car in Python Python-Dev using / Using pocketsphinx to accept your voice commands Python 2, versus Python 3 URL / Creating and running Python programs Python programs creating / Creating and running Python programs running / Creating and running Python programs Q quadcopter flight references / Constructing the platform quadruped assembling / Building the quadruped platform references / Creating a program in Linux to control your quadruped quadruped platform building / Building the quadruped platform quadruped robot URL / Building the quadruped platform R Raspberry Pi URL / Installing the operating system references / Communication between the Raspberry Pi Zero and the robot Raspberry Pi Zero setting up / Setting up the Raspberry Pi Zero accessing, from host PC / Accessing your Raspberry Pi Zero from your host PC powering up, with Linux / Powering up Raspberry Pi Zero with Linux programming constructs, defining / Basic programming constructs on Raspberry Pi Zero if statement / The if statement while statement / The while statement functions, defining / Working with functions libraries, in Python / Libraries/modules in Python modules, in Python / Libraries/modules in Python GPIO capability / The GPIO capability of Raspberry Pi Zero and LED code / Raspberry Pi Zero and LED code and sonar sensor code / Raspberry Pi Zero and the sonar sensor code digital compass, connecting to / Connecting a digital compass to Raspberry Pi Zero used, for controlling mobile platform programmatically / Controlling your mobile platform programmatically using the Raspberry Pi Zero servo controller, connecting to / Connecting the servo controller to the Raspberry Pi Zero, Connecting the servo controller to the Raspberry Pi Zero RC car, configuring with / Configuring and controlling an RC car with Raspberry Pi Zero RC car, controlling with / Configuring and controlling an RC car with Raspberry Pi Zero USB camera, installing on / Installing a USB camera on Raspberry Pi Zero Raspberry pi Zero and robot, communication between / Communication between the Raspberry Pi Zero and the robot Raspberry Pi Zero, in Python used, for controlling vehicle / Controlling the vehicle using the Raspberry Pi Zero in Python Raspbian about / Installing the operating system RasPiRobot Board V2 URL / Controlling the speed of your motors with PWM RC car configuring, with Raspberry Pi Zero / Configuring and controlling an RC car with Raspberry Pi Zero controlling, with Raspberry Pi Zero / Configuring and controlling an RC car with Raspberry Pi Zero controlling, in Python / Controlling the RC car in Python accessing remotely / Accessing the RC car remotely RealVNC about / Accessing your Raspberry Pi Zero from your host PC Real VNC Viewer URL / Accessing your Raspberry Pi Zero from your host PC RoboSapienIR URL / Communication between the Raspberry Pi Zero and the robot robot and Raspberry pi Zero, communication between / Communication between the Raspberry Pi Zero and the robot voice commands, giving to / Giving your robot voice commands robotic hand defining / A robotic hand references / A robotic hand moving / Moving the robotic hand Robotshop URL / Building the quadruped platform S scp about / Accessing your Raspberry Pi Zero from your host PC Secure Shell (SSH) about / Accessing your Raspberry Pi Zero from your host PC URL / Accessing your Raspberry Pi Zero from your host PC serial clock (SCK) about / Connecting a digital compass to Raspberry Pi Zero Serial Monitor about / Communication between the Raspberry Pi Zero and the robot Serial Peripheral Interface (SPI) about / Connecting a digital compass to Raspberry Pi Zero servo controller used, for controlling servos / Using a servo controller to control the servos and PC, communicating between / Communicating between the servo controller and a PC connecting, to Raspberry Pi Zero / Connecting the servo controller to the Raspberry Pi Zero, Connecting the servo controller to the Raspberry Pi Zero servo motors working / How servo motors work servos controlling, servo controller used / Using a servo controller to control the servos Slave Select (SS) about / Connecting a digital compass to Raspberry Pi Zero SMBus capability about / Accessing the compass programmatically sonar sensor adding / Adding a sonar sensor and Raspberry Pi Zero / Raspberry Pi Zero and the sonar sensor code sphinxbase about / Using pocketsphinx to accept your voice commands SPI interface URL / Connecting a digital compass to Raspberry Pi Zero SSH about / Accessing your Raspberry Pi Zero from your host PC T Tightvncserver about / Accessing your Raspberry Pi Zero from your host PC Torque about / Building the quadruped platform U UART interface URL / Connecting a digital compass to Raspberry Pi Zero Universal Asynchronous Receiver/Transmitter (UART) about / Connecting a digital compass to Raspberry Pi Zero Unmanned Aerial Vehicle (UAV) about / Mission planning software USB camera installing, on Raspberry Pi Zero / Installing a USB camera on Raspberry Pi Zero USB to LAN references / Adding Internet access USB WLAN adapter URL / Accessing the RC car remotely V vncserver about / Accessing your Raspberry Pi Zero from your host PC VNC server about / Accessing your Raspberry Pi Zero from your host PC vncserver command reference / Accessing your Raspberry Pi Zero from your host PC voice commands giving, to robot / Giving your robot voice commands accepting, pocketsphinx used / Using pocketsphinx to accept your voice commands voltage divider reference / Adding a sonar sensor W walking robot building / Robots that can walk webcam connecting / Connecting a webcam wget using / Using pocketsphinx to accept your voice commands Wheeled Robot basic platform, using / The basic platform path, planning / Planning your path WinSCP about / Accessing your Raspberry Pi Zero from your host PC URL / Accessing your Raspberry Pi Zero from your host PC wireless devices references / Adding Internet access Z 7-Zip URL / Installing the operating system ... Summary Adding Raspberry Pi Zero to a Quadcopter Constructing the platform Mission planning software Summary Index Getting Started with Raspberry Pi Zero Getting Started with Raspberry Pi Zero Copyright © 2016 Packt Publishing... 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. .. Basic programming constructs on Raspberry Pi Zero The if statement The while statement Working with functions Libraries/modules in Python Summary Accessing the GPIO Pins on Raspberry Pi Zero The GPIO capability of Raspberry Pi Zero