[quote=“ivankravets, post:50, topic:1700”]
So, Nucleo should work as debugger for your bluepill_f103c8[/quote]
Sorry, did not work for me, any suggestions how to investigate further?
PS: upload only works when i plug out and in the USB connector.
for debugging i tried plug out and in USB, resetting the bluebell via pushbutton with all variations BOOT-Jumpers