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Learning LEGO MINDSTORMS EV3
Gary Garber
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eBook - ePub
Learning LEGO MINDSTORMS EV3
Gary Garber
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About This Book
About This Book
- Optimize the use of multiple sensors to build a robot that navigates and interacts with its environment
- Work with both the Home Edition and the Educational Edition of the LEGO EV3 Mindstorms kit
- A practical guide with step-by-step building instructions to help you create your very own robot
Who This Book Is For
This book is for the hobbyists, builders, and programmers who want to build and control their very own robots beyond the capabilities provided with the LEGO EV3 kit. You will need the LEGO MINDSTORMS EV3 kit for this book. The book is compatible with both the Home Edition and the Educational Edition of the kit. You should already have a rudimentary knowledge of general programming concepts and will need to have gone through the basic introductory material provided by the official LEGO EV3 tutorials.
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Information
Learning LEGO MINDSTORMS EV3
Table of Contents
Learning LEGO MINDSTORMS EV3
Credits
About the Author
About the Reviewers
www.PacktPub.com
Support files, eBooks, discount offers, and more
Why subscribe?
Free access for Packt account holders
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. Engineering Notebook
The engineering design process
Content Editor features
New pages and page actions
Computer-aided Design and building instructions
LEGO Digital Designer
LDraw
Commenting on your code
Summary
2. Mechanical Design
Mechanical advantage
Motors
Large motors and gears
Writing a program
Bevel gears at right angles
Worm gear
Using wires and parallel threads
Summary
3. Drive Train and Chassis
Chassis
Skid-bot with the Retail kit
Caster-bot with the Educational kit
Tread-bot with the Retail kit
Tread-bot with the Educational kit
Programming the robot to move forward
Summary
4. Sensors and Control
Using sensors
Programming blocks
LEGO EV3 sensors
Touch Sensors
Color Sensors
Motor Rotation sensors
Gyro Sensors
Ultrasonic motion sensors
Infrared Sensors
Third-party sensors
Dexter Industries
Mindsensors
HiTechnic sensors
MATRIX motor controllers and metal parts
Vernier sensors
Summary
5. Interacting with EV3
Push buttons
IR remote buttons
Bluetooth control
Smart device control
Wi-Fi control
Summary
6. Output from EV3
Display
Image Editor
Display data
Brick lights
Legacy NXT/RCX lights
Sound
Music
Summary
7. Advanced Programming
Loop and the Motor Rotation sensors
Loop and the Gyro Sensor
Troubleshooting with the Gyro Sensor
Switch or two-level controller
Three-level controller
Subroutines or My Blocks
Arrays
Summary
8. Advanced Programming and Control
Distance controller
Infrared versus Ultrasonic
Proportional algorithm
Line following using the Color Sensor
Setpoint for line tracking
Two-level or bang-bang controller
Proportional line follower
Entering gain and speed
PID controller
Gyro Sensor
IR sensor navigation and beacon tracking
Tracking a circle
Triangulation
Summary
9. Experiment Software and Data Logging
Data logging software
Improving dead reckoning
Analyzing gain constants
Graphical programming
Other bang-bang controllers
Summary
10. Other Programming Languages
LabVIEW
Front Panel and Block Diagram
Programming blocks
Loops
Line following VI
Robot tools
Data
Front Panel and clean Block Diagrams
SubVIs
RobotC
Simple code
Commands
Variables
Remote control
Graphical programming
Summary
11. Communication between Robots
Enabling communication
Messaging
Follow the leader
Maintain a distance
Search and rescue
Completing the search
Summary
12. Advanced Robot – Gyro Boy
Concept of a balancing robot
The Gyro Boy model
Sensor feedback
Programming bugbears
The main program
The control program
The RST My Block
The gOS My Block
The GT My Block
The GG My Block
The GM My Block
The EQ My Block
The cntrl My Block
The CHK My Block
Summary
Index
Learning LEGO MINDSTORMS EV3
Copyright © 2015 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: January 2015
Production reference: 1200115
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-78398-502-9
www.packtpub.com
Cover image by Gary Garber
Credits
Author
Gary Garber
Reviewers
Barbara Bratzel
Michael duPont
Jeroen Hartsuiker
David Lechner
Diego "Kartones" Muñoz
Geoff Shannon
Commissioning Editor
Akram Hussain
Acquisition Editor
Neha Nagwekar
Content Development Editor
Susmita Sabat
Technical Editor
Vivek Arora
Copy Editor
Laxmi Subramanian
Project Coordinator
Neha Thakur
Proofreaders
Simran Bhogal
Stephen Copestake
Maria Gould
Ameesha Green
Paul Hindle
Indexers
Hemangini Bari
Mariammal Chettiyar
Monica Ajmera Mehta
Graphics
Valentina D'silva
Production Coordinator
Shantanu N. Zagade
Cover Work
Shantanu N. Zagade
About the Author
Gary Garber teaches physics, math, and engineering at Boston University Academy. Gary is the president of the New England Section of the American Association of Physics Teachers and has led dozens of professional development workshops in education at both the local and national levels.
Gary runs the Boston University FIRST Robotics program. He has run and hosted numerous robotics workshops in VEX, Tetrix, and LEGO platforms. He has run dozens of LEGO robotics tournaments and spoken on robotics education at both local and national conferences. His robotics team has worked with Engineers Without Borders, NASA, and the National Science Teachers Association on a variety of engineering and education projects.
He is currently an educational consultant, working to develop new software tools for the classroom, at the Tufts Center for Engineering Education and Outreach, which is a pioneer in LEGO Robotics Education. He is the author of Instant LEGO MINDSTORMS EV3, Packt Publishing. He currently resides in Massachusetts, US. When he is not playing with LEGO, robots, or toy trains, he enjoys spending time with his wife, Catalina, and thei...