Book Image

BBC Micro:bit in Practice

By : Ashwin Pajankar, Abhishek Sharma, Sandeep Saini
Book Image

BBC Micro:bit in Practice

By: Ashwin Pajankar, Abhishek Sharma, Sandeep Saini

Overview of this book

This book is a one-stop guide for learning BBC Micro:bit with MicroPython, exploring many hardware components and programming techniques to provide detailed insights into developing practical applications with the Micro:bit. It will also show you how hardware components can be manipulated using a combination of Micro:bit and MicroPython for developing practical projects. BBC Micro:bit in Practice will help you gain a holistic understanding of the BBC Micro:bit platform and MicroPython programming, guiding you through mini projects aimed at developing practical knowledge of circuit design and writing programs. You’ll learn how to write programs for working with built-in LEDs and buttons, interfacing external LEDs, buttons, motors, buzzers, and much more. You’ll also work with built-in radio, speakers, accelerometer, and a compass. You’ll dive into concepts related to the Micro:bit filesystem, interfacing external displays, and working with libraries in detail before exploring sewable circuits and wearable technology. After reading this Micro:bit book, you’ll understand how to apply principles in electronics and MicroPython to create interesting real-life projects from scratch.
Table of Contents (22 chapters)
1
Part 1: Getting Started with the BBC Micro:bit
6
Part 2: Programming Hardware with MicroPython
10
Part 3: Filesystems and Programming Analog I/O
13
Part 4: Advanced Hardware Interfacing and Applications

Object-oriented programming with Python

This is one of the most important sections in the chapter. The object-oriented programming paradigm revolves around the concept of objects. Objects contain data (in the form of properties) and functions (in the form of procedures, known as methods in Python programming). We will use a lot of these concepts in our projects. Let’s create an integer variable as follows:

>>> a = 10

We can use the built-in type() method to see the data type of the variable as follows:

>>> type(a)
<class 'int'>

We can do this for the other types of values, too, as follows:

>>> type("Hello, World!")
<class 'str'>
>>> type(3.14)
<class 'float'>

This means that everything is an object in Python. An object is a variable of a class data type. These classes could be built-in library classes or user-defined classes. Let’s see a simple example of a...