The Bootloader

The CircuitPython 9 Release Show


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00:00 Welcome to The Bootloader

00:22 What are we excited about in CircuitPython 9?

00:56 jpegio and the Memento Camera

  • AdaBox 21 Unboxing Video

    2:12 The one downside of JPEG vs. BMP or PNG

    3:03 How Adafruit is innovating around the hardware and software

    3:57 bitmapfilter image effects

    4:28 USB Host

    5:07 Keyboards on USB Host

    • Scott’s CircuitPython2024 blog post

      7:12 MicroPython and merging its changes into CircuitPython

      • Split heap memory management
      • 9:55 paralleldisplaybus

        • LilyGO microcontrollers
        • 8x faster display using paralleldisplaybus for ESP32
        • 12:13 CIRCUITPY on Android

          13:28 ESP-IDF software development kit for Espressif microcontrollers

          • CircuitPython 9.0 moves from IDF v4.x to IDF v5
          • Potential for Bluetooth for ESP32-S3 chips
          • 15:52 ConnectionManager and the CircuitPython community

            18:04 Breaking changes in CircuitPython

            • display.show() deprecated
            • Mounting a filesystem requires an existing directory
            • CircuitPython now requires explicit socket port re-use. Use socket.setsockopt(pool.SOL_SOCKET, pool.SO_REUSEADDR, 1), as in CPython.
            • 20:10 Thank you to everyone in the CircuitPython community who contributed to CircuitPython 9.0

              20:43 The CircuitPython Community Weekly Meeting every Monday at 2pm EST in the Adafruit Discord

              21:33 Thanks for listening!

              Memento photo used under a CC-BY-SA 3.0 license

              Enjoying the show? You can now sponsor the show, learn more at www.circuitpythonshow.com. Thank you for your support!

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              The BootloaderBy Paul Cutler and Tod Kurt

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