Learn Robotics with Raspberry Pi: Build and Code Your Own Moving, Sensing, Thinking Robots

Contents
Contents in Detail
Acknowledgments
Foreword
Introduction
	Why Build and Learn About Robots?
	Why the Raspberry Pi?
	What Is in This Book?
	Who Is This Book for?
	Where Should You Buy Parts?
	Let's Get Started!
Chapter 1: Getting Up and Running
	Get Your Hands on a Raspberry Pi
		Your First Taste of Pi
		What You'll Need
	Setting Up Your Raspberry Pi
		Installing Your Pi's Operating System on Windows/macOS
		Plugging In and Wiring Up Your Raspberry Pi
		Installing Raspbian
		Configuring Raspbian
	The Terrific World of the Terminal
		Touring the Terminal
		Accessing Your Raspberry Pi from Another Computer
	What Is Programming?
		Introducing Python
		Writing Your First Python Program
	Summary
Chapter 2: Electronic Basics
	What Is Electricity?
		Resistance
		Ohm's Law of Electricity
	Making an LED Blink: Raspberry Pi GPIO Output
		The Parts List
		Wiring Up Your LED
		Programming Your Raspberry Pi to Blink Your LED
		Running Your Program: Make Your LED Blink
		Challenge Yourself: Change the Timing
	Input from a Button: Raspberry Pi GPIO Input
		Explaining the Parts List
		Wiring Up Your Button
		Programming Your Raspberry Pi to Display Input from Your Button
		Running Your Program: Get Input from Your Button
		Challenge Yourself: Combine Your Button and LED Programs
	Summary
Chapter 3: Building Your Robot
	Your First Robot
	What You'll Need
		Chassis
		Motors
		Batteries
		Voltage Regulator
		Motor Controller
		Recommended Tools
	Assembling Your Robot
		Making the Chassis
		Attaching the Motors
		Stabilizing the Robot
		Attaching the Batteries
		Mounting the Raspberry Pi, Breadboard, and Buck Converter
		Wiring Up Power to the Raspberry Pi
		Wiring Up the Motors
	Summary
Chapter 4: Making Your Robot Move
	The Parts List
	Understanding the H-Bridge
	First Movement
		Programming Your Robot with a Predefined Route
		Running Your Program: Make Your Robot Move
	Making Your Robot Remote-Controlled
		The Wiimote Wireless Controller
		Installing and Enabling Bluetooth
		Programming Remote Control Functionality
		Running Your Program: Remote-Control Your Robot
	Varying the Motor Speed
		Understanding How PWM Works
		Understanding the Accelerometer
		Looking at the Data
		Figuring Out the Remote Movement Control
		Programming Your Robot for Variable Speed
		Running Your Program: Remote-Control Your Robot with PWM
		Challenge Yourself: Refine your Remote-Controlled Robot
	Summary
Chapter 5: Avoiding Obstacles
	Obstacle Detection
		Using Ultrasonic Sensors for Analog Object Detection
		Understanding How the HC-SR04 Works
	Measuring a Short Distance
		The Parts List
		Reducing Voltage with Voltage Dividers
		Wiring Up Your HC-SR04
		Programming Your Raspberry Pi to Read Distance
		Running Your Program: Measure a Short Distance
	Make Your Robot Avoid Obstacles
		Mounting Your HC-SR04 Ultrasonic Sensor
		Programming Your Robot to Avoid Obstacles
		Running Your Program: Make Your Robot Avoid Obstacles
		Challenge Yourself: Improve the Obstacle Avoidance Program
	Summary
Chapter 6: Customizing with Lights and Sound
	Adding NeoPixels to Your Raspberry Pi Robot
		Introducing NeoPixels and the RGB Color System
		The Parts List
		Wiring Up Your NeoPixel Stick
		Installing the Software
		Configuring the Library's Example Code
		Running the Example Code
		Controlling NeoPixels Using the Wiimote Program
		Running Your Program: NeoPixels and Wiimote Control
		Challenge Yourself: Experiment with Color and Pattern
	Adding a Speaker to Your Raspberry Pi Robot
		Understanding How 3.5 mm Speakers Work
		Connecting Your Speaker
	Adding a Car Horn to the Wiimote Program
		Installing the Software
		Playing Sounds from the Terminal
		Playing Sound Using the Wiimote Program
		Running Your Program: NeoPixels, Sound Effects, and the Wiimote Control
	Adding Beeping to the Obstacle Avoidance Program
		Integrating the Beep Sound into the Obstacle Avoidance Program
		Running Your Program: Beeping Obstacle Avoidance
		Challenge Yourself: Add Sound Effects to Your Other Projects
	Summary
Chapter 7: Line Following
	Creating a Track
	The Theory Behind Line Following
	Using an IR Sensor to Detect a Line
		The Parts List
		Wiring Up Your TCRT5000 Line-Following Sensor Module
		Programming Your Raspberry Pi to Detect a Line
		Running Your Program: Detect a Line!
	Make Your Robot Follow a Line Autonomously
		Wiring Up the Second TCRT5000 Line-Following Sensor Module
		Mounting Your Sensors
		Programming Your Robot to Follow a Line
		Running Your Program: Make Your Robot Follow a Line
	Summary
Chapter 8: Computer Vision: Follow a Colored Ball
	The Computer Vision Process
	The Parts List
		The Target: A Colored Ball
		The Official Raspberry Pi Camera Module
	Connecting and Setting Up Your Camera Module
		Mounting Your Camera
		Enabling the Camera and VNC, and Setting the Screen Resolution
	Taking a Test Photo
		Controlling Your Pi's Desktop Remotely with VNC
		Installing and Making a Connection with VNC Viewer
		Taking and Viewing a Photo Using the Raspberry Pi Camera Module
	Make Your Robot Seek and Follow a Ball
		Understanding the Theory Behind Colored-Object Recognition
		Installing the Software
		Identifying the HSV Color of Your Colored Ball
		Running the HSV Test Program
		Programming Your Raspberry Pi to Follow a Ball
		Running Your Program: Make Your Robot Follow a Colored Ball!
	Summary
Next Steps
	The Raspberry Pi Guy
	Get in Touch!
	Other Websites
	Clubs and Events
	Books and Publications
Raspberry Pi GPIO Diagram
Resistor Guide
How to Solder
	What You Need
		Solder
		Soldering Iron
		Stand and Soldering Tip Cleaner
	Soldering Components Together
		Preparing to Solder
		Tinning the Tip
		Setting Up the Components
		Soldering the Perfect Joint
	Summary
Run Program on Startup
	Editing the rc.local File
	A Practice Example