How to use stm32g071rb niclio using external power supply. Now i have given external power supply to vin and the program works fine when the usb power supply is connected but it resets always when it is not onnected. Any idea?

[Mike_ST]

Hello,

Please find the schematic here:

https://www.st.com/resource/en/schematic_pack/mb1360-g071rb-c01_schematic.pdf

Maybe it can help to troubleshoot your problem.