2. Micropython editor

The standard online micropython editor is at: https://python.microbit.org/v/3.

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2.1. Uploading modules to the microbit

Create a project.

The main.py file is where you place any code to flash to the microbit.

A blank module file, such as MOVEMotor.py can be created using the Create file button. Code can be typed in or pasted in to that file.

Alternatively, a previously created module file can be added using Open.

In doing so a dialog will ask whether to replace the main file with that file. Click on the right hand icon instead, and choose Add file … Then click Confirm.