/ Drives RamIO::disk_initialize/disk_read/disk_write/disk_ioctl directly, / bypassing FatFs mounting. Exercises the sector-count/sector-size math / and bounds checks ...
In CubeMX on the Connectivity tab, Enable USB_OTG_FS or USB_OTG_HS (Device only), SDIO (SD 4 bits Wide bus) On Middleware and Software Packs, Enable FATFS (Check mark SD Card, Scroll down and set "USE ...
Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing power and I/O you get. But if you need something really small, like ...