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BBC Micro:bit in Practice

You're reading from BBC Micro:bit in Practice A hands-on guide to building creative real-life projects with MicroPython and the BBC Micro:bit

Product type Paperback

Published in Dec 2022

Publisher Packt

ISBN-13 9781804610121

Length 292 pages

Edition 1st Edition

Tools

Micro:bit

Concepts

Embedded Systems

Authors (3):

Sandeep Saini

Ashwin Pajankar

Abhishek Sharma

View More author details

Table of Contents (22) Chapters

Preface

1. Part 1: Getting Started with the BBC Micro:bit

2. Chapter 1: Introduction to the BBC Micro:bit FREE CHAPTER

3. Chapter 2: Setting Up the Micro:bit and Using Code Editors

4. Chapter 3: Python Programming Essentials

5. Chapter 4: Advanced Python

6. Part 2: Programming Hardware with MicroPython

7. Chapter 5: Built-in LED Matrix Display and Push Buttons

8. Chapter 6: Interfacing External LEDs

9. Chapter 7: Programming External Push Buttons, Buzzers, and Stepper Motors

10. Part 3: Filesystems and Programming Analog I/O

11. Chapter 8: Exploring the Filesystem

12. Chapter 9: Working with Analog Input and PWM

13. Part 4: Advanced Hardware Interfacing and Applications

14. Chapter 10: Working with Acceleration and Direction

15. Chapter 11: Working with NeoPixels and a MAX7219 Display

16. Chapter 12: Producing Music and Speech

17. Chapter 13: Networking and Radio

18. Chapter 14: Advanced Features of the Micro:bit

19. Chapter 15: Wearable Computing and More Programming Environments

20. Index

Why subscribe?

21. Other Books You May Enjoy

Interfacing a MAX7219/7221-based 7-segment 8-digit display

MAX7219/7221 are 7-segment 8-digit driver ICs that use the serial interface. We can find their documentation at the following web pages:

Following is the photograph of a MAX7219-based 7-segment 8-digit LED display:

Figure 11.11 – 7-segment 8-digit display with pins

We can see all the pins clearly in Figure 11.11. Connect VCC to the 3V pin of the Micro:bit and GND to the ground. Connect DIN and CLK to pins 15 and 13 of the Micro:bit, respectively. Finally, connect CS to pin 0. We can use any digital I/O pin of the Micro:bit. I have written the demonstration programs assuming that pin 0 is connected to CS. If you decide to change the pin, please make the appropriate changes to the program.

I have referred to the library at https...

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Authors (3)

Ashwin Pajankar

Ashwin Pajankar

Ashwin Pajankar is an author, a YouTuber, and an instructor. He graduated from the International Institute of Information Technology, Hyderabad, with an MTech in Computer Science and Engineering. He has been writing programs for over two and a half decades. He is proficient in Linux, Unix shell scripting, C, C++, Java, JavaScript, Python, PowerShell, Golang, HTML, and assembly language. He has worked on single-board computers such as Raspberry Pi and Banana Pro. He is also proficient with microcontroller boards such as Arduino and the BBC Micro:bit. He is currently self-employed and teaches on Udemy and YouTube. He also organizes programming boot camps for working professionals and software companies.

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Sandeep Saini

Sandeep Saini

Sandeep Saini works as an assistant professor in the Department of Electronics and Communication Engineering at the LNM Institute of Information and Technology, Jaipur, India. He has taught robotics and electronics subjects at the university level in India and abroad for over a decade. He has taught more than 8,000 students online and offline during this time. He received a BTech and MS in Electronics and Communication Engineering from the International Institute of Information Technology, Hyderabad, India. He received his PhD from Malaviya National Institute of Technology (MNIT), Jaipur, India. He has written 6 books and published 35 peer-reviewed journals and conference papers.

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Abhishek Sharma

Abhishek Sharma

Abhishek Sharma completed his BE in Electronics Engineering from Jiwaji University, Gwalior, India, and his PhD in engineering from the University of Genoa, Italy. He is presently working as an assistant professor in the Department of Electronics and Communication Engineering at the LNM Institute of Information and Technology, Jaipur, India. He is the coordinator of the ARM University Partner Program, Texas Instruments Lab, and Intel Intelligent Lab at the LNM Institute of Information and Technology and the center lead of LNMIIT-Center of Smart Technology (L-CST). His research interests are real-time systems and emerging technologies.

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