This recipe will show you how you can list files and directories in MicroPython. We will also show the techniques that you can use to filter a listing so that it only includes files or only includes directories. Once you have the ability to interact with the filesystem in this way, you can use it in your own projects, where your code will accept a dynamic list of files on the board that doesn't need to be hardcoded in your program. In this way, the files might represent a set of configurable audio files that you want to play, or a collection of images that you will display on an attached screen.
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MicroPython Cookbook
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MicroPython Cookbook
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Overview of this book
MicroPython is an open source implementation of Python 3 that runs in embedded environments. With MicroPython, you can write clean and simple Python code to control hardware instead of using complex low-level languages such as C and C++. This book guides you through all the major applications of the MicroPython platform to build and program projects that use microcontrollers.
This MicroPython book covers recipes that will help you experiment with the programming environment and hardware programmed in MicroPython. You'll find tips and techniques for building a variety of objects and prototypes that can sense and respond to touch, sound, position, heat, and light. This book will take you through the uses of MicroPython with a variety of popular input devices and sensors. You'll learn techniques to handle time delays and sensor readings, and apply advanced coding techniques to create complex projects. As you advance, you'll deal with Internet of Things (IoT) devices and integration with other online web services. In addition to this, you'll use MicroPython to make music with bananas and create portable multiplayer video games that incorporate sound and light animations into the gameplay.
By the end of this book, you'll have mastered the tips and tricks to troubleshoot your development problems and take your MicroPython project to the next level.
Table of Contents (17 chapters)
Preface
Free Chapter
Getting started with MicroPython
Controlling LEDs
Creating Sound and Music
Interacting with Buttons
Reading Sensor Data
Button Bash Game
Fruity Tunes
Let's Move It, Move It
Coding on the micro:bit
Controlling the ESP8266
Interacting with the Filesystem
Networking
Interacting with the Adafruit FeatherWing OLED
Building an Internet of Things (IoT) Weather Machine
Coding on the Adafruit HalloWing Microcontroller
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