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Learning Lego Mindstorms EV3

By : Gary Garber
Book Image

Learning Lego Mindstorms EV3

By: Gary Garber

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Learning Lego Mindstorms EV3
Gary Garber
Jan, 2015 | 284 pages
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Table of Contents (19 chapters)
Learning LEGO MINDSTORMS EV3
Learning LEGO MINDSTORMS EV3
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Engineering Notebook
Engineering Notebook
The engineering design process
Content Editor features
New pages and page actions
Computer-aided Design and building instructions
Commenting on your code
Summary
2
Mechanical Design
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
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
Sensors and Control
Using sensors
Programming blocks
LEGO EV3 sensors
Third-party sensors
Summary
5
Interacting with EV3
Interacting with EV3
Push buttons
IR remote buttons
Bluetooth control
Smart device control
Wi-Fi control
Summary
6
Output from EV3
Output from EV3
Display
Image Editor
Display data
Brick lights
Legacy NXT/RCX lights
Sound
Music
Summary
7
Advanced Programming
Advanced Programming
Loop and the Motor Rotation sensors
Loop and the Gyro Sensor
Switch or two-level controller
Three-level controller
Subroutines or My Blocks
Arrays
Summary
8
Advanced Programming and Control
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
PID controller
Gyro Sensor
IR sensor navigation and beacon tracking
Tracking a circle
Triangulation
Summary
9
Experiment Software and Data Logging
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
Other Programming Languages
LabVIEW
RobotC
Summary
11
Communication between Robots
Communication between Robots
Enabling communication
Messaging
Summary
12
Advanced Robot – Gyro Boy
Advanced Robot – Gyro Boy
Concept of a balancing robot
The Gyro Boy model
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
Index

Chapter 10. Other Programming Languages

There are numerous programming languages that we can use with EV3. Two of the most popular are LabVIEW and RobotC. This is due in large part because of the student robotics competitions such as For Inspiration and Recognition of Science and Technology (FIRST) robotics, where both LabVIEW and RobotC are approved languages. Both of these programming languages must be purchased but do allow a higher level of programming than the EV3 LEGO MINDSTORMS language, which is written by LEGO and National Instruments. The more serious EV3 enthusiasts will do their programming in leJOS (Java), MonoBrick (.NET languages—C#, VB, F#), or ev3dev (which allows you to use Python, C, C++, and numerous others). In this chapter, we will have a brief overview of LabVIEW and RobotC. We will cover the following topics:

  • The LabVIEW language, which includes:

    • Front Panel and Block Diagrams

    • Programming blocks

    • Robot tools

    • SubVIS

  • The RobotC language, which includes:

    • Commands

    • Remote control...

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