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micro:bit + MicroPython for VSCode

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V1 V2

This extension provides a self-contained developing environment for developing with MicroPython using the micro:bit platform.

It allows to initialize a project with an optional template example, to upload a python sketch (terminology borrowed from Processing) on the micro:bit, or to remove/get files from the micro:bit file system. IntelliSense for function name completion is available for both the default micro:bit functionalities and for user-specified libraries.

⚠️ Possible breaking changes in version 0.1.28+: This version might result in breaking changes as we removed our dependency on the uflash project and updgraded to the latest micro:bit firmware. Please report problems using the issues page.


To see the commands for the extension, use the command palette (Windows / Linux: CTRL + Shift + P, Mac: ⌘ + Shift + P) and search for micro:bit-python. You will see the following list.


Each feature is explained in the sections below.

Getting started

For a video tutorial on how to use this extension, please refer to this link.

  1. Download and install python on your system preferably python3.
  2. Open VSCode and install the micro:bit python extension
  3. Connect the micro:bit via USB cable (make sure your cable allows for data transfer and it is not only a charging cable)
  4. The first time, run the command micro:bit-python: Flash MicroPython environment on micro:bit
  5. Open an empty workspace (aka folder) in VSCode and run the command micro:bit-python: Initialize the workspace. To start, choose the hello-world sample code.
  6. Upload your files to the micro:bit using the command micro:bit-python: Flash sketch on the micro:bit.

Features in detail

Flash MicroPython environment on the micro:bit

Use this command the first time you use MicroPython. It will erase the micro:bit and install the MicroPython interpreter.

The uploaded firmware is a universal firmware composed of the latest MicroPython firmware for micro:bit V1 and V2: micropython-microbit-v1.1.1.hex and micropython-microbit-v2.1.2.hex.

Flash sketch on the micro:bit

This command copies all the files from the current workspace on the micro:bit. For the command to work, there must exist a file (the starting point of your program). Furthermore, folders and files nested in folders will be ignored - only files at the root of the workspace will be copied. You can also use the shortcut CTRL + F6 (Windows / Linux) or ⌘ + F6 (Mac).

For example, in the image below, and will be flashed onto the micro:bit, while the folder microbit and all its content will be ignored.


Under the hood, flashing is achieved using the microfs script.

Initialize the workspace

This command initializes the current workspace by copying a microbit folder in the workspace (used to enable VScode IntelliSense), and by prompting the user to select a template file. The user can also optionally select additional libraries for extended IntelliSense support.


For example, if the user were to pick buttons or hello-world from the list above, the files of these projects would be copied into the current workspace, overriding existing files.

The user can also select Empty - in such case, no changes to files occur.

The templates are fetched from this online repository. The microbit folder is fetched from this respository, while stubs for additional libraries are fetched from here. All these stubs are based on the official micro:bit documentation.

Fetch examples from online

This command manually fetches the latest example snippets from this online repository. For this command to work, you must be connected to the Internet and you must have installed git on your system.

List all files on the micro:bit

This command shows a list of all the files stored on the micro:bit.

Under the hood, this command uses ufs ls.

Copy a file from the micro:bit

This command shows the files stored on the micro:bit file system and prompts the user to pick one to be copied on the user's workspace.

Under the hood, this command uses ufs get.

Remove all files from the micro:bit

This command removes all the files on the micro:bit files system (it will not remove the MicroPython interpreter though).

Under the hood, the command uses the ufs rm command.

Remove a single file from the micro:bit

This command prompts the user to choose a file to remove from the micro:bit file system.

Under the hood, the command uses the ufs rm command.

Show micro:bit pins image

It shows the image with the micro:bit pinout


The extension requires Python installed and in the PATH variable. Other dependencies (microfs) are taken care of automatically. For using the command Fetch examples from online and download the latest examples, you need to have git installed on your machine.

This extension also draws some inspiration from another micro:bit python extension, which you might want to consider as an alternative.

For developers

If you want to modify this extension, fork and then clone this repository on your machine. Run npm install, to install dependencies (need to have Node.js installed). From any javascript file, press F5 to run the extension locally in debug mode.

Known Issues

The SoundEffect feature for micro:bit v2 is currently not supported. Please refer to this issue for a workaround.

For other issues, refer to the issues page. Please file any issues there.


Extension developed by MAKinteract. Stubs library for IntelliSense developed by ElTrasho3000. Icon design by Hye-Young Jo.


If you like this extension, please consider buying me a coffee via the link below. Any amount is welcome. It will encourage me to improve this extension and make it better!

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Easy to use MicroPython on micro:bit with VSCode







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