Please consider supporting SparkFun's Thing Plus STM32 board in CircuitPython. Although this board is similar to the Adafruit Feather STM32F405 Express there is at least one notable difference - a larger 16M SPI Flash chip.
To help with this I have made an initial port and created the following pull-request: #5597
For more information about this board: https://www.sparkfun.com/products/17712
Please consider supporting SparkFun's Thing Plus STM32 board in CircuitPython. Although this board is similar to the Adafruit Feather STM32F405 Express there is at least one notable difference - a larger 16M SPI Flash chip.
To help with this I have made an initial port and created the following pull-request: #5597
For more information about this board: https://www.sparkfun.com/products/17712