You're reading from Learn Robotics Programming Build and control AI-enabled autonomous robots using the Raspberry Pi and Python

Product type Paperback

Published in Feb 2021

Publisher Packt

ISBN-13 9781839218804

Length 602 pages

Edition 2nd Edition

Languages

Python

Tools

Raspberry Pi

Concepts

Robotics

Author (1):

Danny Staple

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Table of Contents (25) Chapters

Preface

1. Section 1: The Basics – Preparing for Robotics

2. Chapter 1: Introduction to Robotics FREE CHAPTER

3. Chapter 2: Exploring Robot Building Blocks – Code and Electronics

4. Chapter 3: Exploring the Raspberry Pi

5. Chapter 4: Preparing a Headless Raspberry Pi for a Robot

6. Chapter 5: Backing Up the Code with Git and SD Card Copies

7. Section 2: Building an Autonomous Robot – Connecting Sensors and Motors to a Raspberry Pi

8. Chapter 6: Building Robot Basics – Wheels, Power, and Wiring

9. Chapter 7: Drive and Turn – Moving Motors with Python

10. Chapter 8: Programming Distance Sensors with Python

11. Chapter 9: Programming RGB Strips in Python

12. Chapter 10: Using Python to Control Servo Motors

13. Chapter 11: Programming Encoders with Python

14. Chapter 12: IMU Programming with Python

15. Section 3: Hearing and Seeing – Giving a Robot Intelligent Sensors

16. Chapter 13: Robot Vision – Using a Pi Camera and OpenCV

17. Chapter 14: Line-Following with a Camera in Python

18. Chapter 15: Voice Communication with a Robot Using Mycroft

19. Chapter 16: Diving Deeper with the IMU

20. Chapter 17: Controlling the Robot with a Phone and Python

21. Section 4: Taking Robotics Further

22. Chapter 18: Taking Your Robot Programming Skills Further

23. Chapter 19: Planning Your Next Robot Project – Putting It All Together

24. Other Books You May Enjoy

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Chapter 9: Programming RGB Strips in Python

LED lights can be used with a robot to debug and give it feedback so that the code running on the robot can show its state. Colored RGB LEDs let you mix the red, green, and blue components of light to make many colors, adding brightness and color to a robot. We have not paid much attention to making it look fun, so this time we will focus on that.

Mixing different sequences of LEDs can be used to convey information in real time. You can use which are on/off, their brightness, or their color to represent information. This feedback is easier to read than a stream of text, which will help as sensors are added to the robot. This also means the code on the robot can show state without relying on the SSH terminal to do so.

In this chapter, we will learn the following: