Hello! I try USBSerial example with “blue pill” stm32 board. https://os.mbed.com/docs/mbed-os/v6.6/apis/usbserial.html I am import this code to Mbed online compiler, compiling and programming via st-link v2 But only “Unknown device” appear in device manager with ID USB\UNKNOWN Whats whong with…

USBSerial example - "Unknown device"

JohnnyK (Jan Kamidra) January 8, 2021, 4:51pm 3

Hello,
Some information can be found here

Br,Jan