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Using python-ev3dev with MicroPython

The core modules of this library are shipped as a module for MicroPython, which is faster to load and run on the EV3. If your app only requires functionality supported on MicroPython, we recommend you run your code with it for improved performance.

Module support

==============================  =================
Module                          Support status
==============================  =================
`ev3dev2.button`                ️️✔️
`ev3dev2.console`               ✔️️
`ev3dev2.control` [1]_          ⚠️
`ev3dev2.display` [2]_          ❌
`ev3dev2.fonts` [3]_            ❌
`ev3dev2.led`                   ✔️
`ev3dev2.motor`                 ✔️
`ev3dev2.port`                  ✔️
`ev3dev2.power`                 ✔️
`ev3dev2.sensor.*`              ✔️
`ev3dev2.sound`                 ✔️
`ev3dev2.unit`                  ✔️
`ev3dev2.wheel`                 ✔️
==============================  =================

.. [1] Untested/low-priority, but some of it might work.
.. [2] ``ev3dev2.display`` isn't implemented. Use ``ev3dev2.console`` for text-only, using ANSI codes to the EV3 LCD console.
.. [3] ``ev3dev2.console`` supports the system fonts, but the fonts for ``ev3dev2.display`` do not work.

Differences from standard Python (CPython)

See the MicroPython differences page for language information.

Shebang

You should modify the first line of your scripts to replace "python3" with "micropython":

#!/usr/bin/env micropython

Running from the command line

If you previously would have typed python3 foo.py, you should now type micropython foo.py.

If you are running programs via an SSH shell to your EV3, use the following command line to prevent Brickman from interfering:

brickrun -- ./program.py
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