CircuitPython 2.3.1 Released!

CircuitPython 2.3.1 fixes a regression introduced in 2.3.0: if boot.py changed the root filesystem permission to read/write using storage.remount(), that permission change would get undone. This bug would prevent some data logging code from working, for instance.

All other changes introduced in 2.3.0 are still present: battery power fix, storage.erase_filesystem(), and new frozen libraries for Circuit Playground express. Refer to the 2.3.0 release for details.

Thanks

Thanks to @jerryneedell for finding this issue and doing further testing! Join us on the Discord chat to collaborate.

Documentation

Documentation is available in readthedocs.io.

Here are the changes since 2.3.0 and changes since 2.2.4.

This release is based on MicroPython 1.9.2. Support upstream MicroPython by purchasing a PyBoard(from Adafruit here).

Troubleshooting

Check out this guide for info on common problems with CircuitPython. If you are still having, then post to the Adafruit Support Forums and join Discord.

mpy-cross

The 2.2.0 mpy-cross executables in this release work fine with all 2.x releases.


8-6-2021 (August 6, 2021) is the Snakiest day of the year and it’s also this year’s CircuitPython Day! The day highlights all things CircuitPython and Python on Hardware. See you there!

Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

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