This is helpful, thank you. I was looking at the bluepill schematic originally and I have the wiring setup correctly as far as I can see, so I will try these repos and see how I get on. :smiling_face_with_smiling_eyes:

Hi,I am also having some trouble getting a USB breakout board connected to the Nucleo-F103RB, I only need the device in peripheral mode so not worried about otg, but I only get USB Device not recognised on my pc. I am still new to STM32 and this is t...