STM32 Thing Plus

by SparkFun

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With a 32-bit ARM® Cortex®-M4 RISC core, the SparkFun STM32 Thing Plus brings power and precision to your projects. The STM32 Thing Plus provides you with an economical and easy to use development platform if you’re needing more power with a minimal working space. This Thing comes flashed with the DFU bootloader, and to make the Thing Plus even easier to use, we’ve moved a few pins around to make the board Feather compatible. In addition, it utilizes our handy Qwiic Connect System which means no soldering or shields are required to connect it to the rest of your system!

As we previously stated; the STM32F405 Processor is based on the high-performance ARM® Cortex®-M4 32-bit RISC core and can operate at a frequency of up to 168 MHz. The Cortex-M4 core features a floating point unit (FPU) single precision which supports all ARM single precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. This Processor Board utilizes the DFU bootloader for uploading code, and incorporates an extensive range of enhanced I/Os and peripherals. In addition to the USB interface and Qwiic connection, the STM32 Thing Plus provides a 3.3V regulator and LiPo charger as well as 16MB of Flash and microSD slot for expandable memory.

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CircuitPython 7.3.3

This is the latest stable release of CircuitPython that will work with the STM32 Thing Plus.

Start here if you are new to CircuitPython.

Release Notes for 7.3.3

Built-in modules available: _bleio, adafruit_bus_device, adafruit_pixelbuf, aesio, alarm, analogio, atexit, audiocore, audiomp3, audiopwmio, binascii, bitbangio, bitmaptools, board, busio, canio, digitalio, displayio, errno, fontio, framebufferio, getpass, gifio, json, keypad, math, microcontroller, msgpack, neopixel_write, onewireio, os, pulseio, pwmio, rainbowio, random, re, rgbmatrix, sdcardio, sdioio, sharpdisplay, storage, struct, supervisor, synthio, terminalio, time, touchio, traceback, ulab, usb_cdc, usb_hid, usb_midi, vectorio, zlib

CircuitPython 8.0.0-beta.4

This is the latest unstable release of CircuitPython that will work with the STM32 Thing Plus.

Unstable builds have the latest features but are more likely to have critical bugs.

Release Notes for 8.0.0-beta.4

Built-in modules available: _asyncio, _bleio, adafruit_bus_device, adafruit_pixelbuf, aesio, alarm, analogio, array, atexit, audiocore, audiomp3, audiopwmio, binascii, bitbangio, bitmaptools, board, builtins, busio, canio, collections, digitalio, displayio, dotenv, errno, fontio, framebufferio, getpass, json, keypad, math, microcontroller, msgpack, neopixel_write, onewireio, os, pulseio, pwmio, rainbowio, random, re, rgbmatrix, rtc, sdcardio, sdioio, select, sharpdisplay, storage, struct, supervisor, synthio, sys, terminalio, time, touchio, traceback, ulab, usb_cdc, usb_hid, usb_midi, vectorio, zlib

Absolute Newest

Every time we commit new code to CircuitPython we automatically build binaries for each board and language. The binaries are stored on Amazon S3, organized by board, and then by language. Try them if you want the absolute latest and are feeling daring or want to see if a problem has been fixed.

Past Releases

All previous releases are listed on GitHub, with release notes, and are available for download from Amazon S3. They are handy for testing, but otherwise we recommend using the latest stable release. Some older GitHub release pages include the same binaries for downloading. But we have discontinued including binaries as assets on newer release pages because of the large number of files for each release.

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