Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Build and Code Creative Robots with LEGO BOOST

You're reading from   Build and Code Creative Robots with LEGO BOOST Unleash your creativity and imagination by building exciting robotics projects

Arrow left icon
Product type Paperback
Published in Nov 2021
Publisher Packt
ISBN-13 9781801075572
Length 428 pages
Edition 1st Edition
Languages
Tools
Concepts
Arrow right icon
Author (1):
Arrow left icon
Ashwin Shah Ashwin Shah
Author Profile Icon Ashwin Shah
Ashwin Shah
Arrow right icon
View More author details
Toc

Table of Contents (20) Chapters Close

Preface 1. Chapter 1: Introduction to the LEGO BOOST Kit 2. Chapter 2: Building Your First BOOST Robot – Tabletop Fan FREE CHAPTER 3. Chapter 3: Moving Forward/Backward Without Wheels 4. Chapter 4: LEGO BOOST Rover 5. Chapter 5: Getting into Gear – My First Geared Robot 6. Chapter 6: Building a Forklift 7. Chapter 7: Building a Helicopter 8. Chapter 8: Building R2-D2 9. Chapter 9: Building an Automatic Entrance Door 10. Chapter 10: Building a Candy Dispenser Robot 11. Chapter 11: Building a Color-Sorter Conveyor Belt 12. Chapter 12: Building a BOOST Racing Car 13. Chapter 13: Final Challenge 14. Bonus Chapters
15. Chapter 14: The Grabbing Robot 16. Chapter 15: Obstacle Avoidance Robot 17. Chapter 16: The BOOST Humanoid 18. Chapter 17: The Moon Rover 19. Other Books You May Enjoy

Let's code the robot to avoid obstacles

Your LEGO BOOST kit's color sensor can detect six different colors: red, blue, green, yellow, black, and white. It can detect color from a maximum distance of 3 cm. Now, create the following setup before we start with the activities:

Figure 15.2 – Route setup for activity #1 and activity #2

Let's get started.

Activity #1

Go forward until the robot senses a red pole and change the brick light to red. Let's first write an algorithm to reflect this:

  1. Move forward at 20% speed.
  2. Wait until red is sensed.
  3. Stop motor AB when red is sensed.
  4. Change the brick light color to red.

The sample code for this activity is as shown in the following figure:

Figure 15.3 – Sample code

Let's now write a similar code for the robot to execute when it senses the blue brick.

Activity #2

Program your robot to turn left whenever it senses blue...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime