Writing data to SD card using the no-OS-FatFS-SD-SPI-RPi-Pico library - Raspberry Pi Forums
STM32 USB Virtual COM USB转串口的功能实现- 电子工程世界(EEWORLD)
EFM8BB52-QFN32: Should I connect the pin #2 to GND or leave floating.
STM32F103/hw_config.c at master · avislab/STM32F103 · GitHub
C H A P T E R 3 - Hardware Configuration
foone🏳️⚧️ on Twitter: "they've also disabled the kernel's USB storage driver. (by renaming it to /lib/modules/2.6.24-26-generic/kernel/drivers/usb /storage/usb-storage.ko_disabled) so I'm guessing their app talks to their encrypted USB devices ...