Hi Ons,Thank you a lot. I will check it out.,

Thank you dear Adib

Dear Adib,I am trying to send from PC using terminal tools like realTerm via USB. Will this work?Thanks in advance and sorry for my many questionsBest regards,

Thank you a lot. i will check it now.Best regards,

Thank you a lot. I did the instructions in the "usb_cdc_stm32.c". I called in the main : usb_cdc_init instead of "MX_USB_DEVICE_Init(0)"Can i send and receive data via UART and terminal?Best regards