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

Computing prime numbers, factorials, and Fibonacci series

We can find out if a number is prime by checking its divisibility with all the numbers less than it. If a number is only divisible by 1 and itself, then it’s a prime number. We can compute prime numbers in a given range using the for loop twice as follows:

lower = 2
upper = 100
for num in range (lower, upper+1):
    for i in range(2, num):
        if(num % i) == 0:
            break
    else:
        print(num)

The output is as follows:

>>> %Run -c $EDITOR_CONTENT
2
3
5
7
…
97

We can also compute the factorial of a number. The factorial of 0 and 1 is 1. For the rest of the integers, the multiplication of all the integers from 1 to that integer is factorial. Let’s write a simple program that computes the factorial...