Hi Saulyss,
check the UART VCOM ports of your board that is connected to PC via USB. The you will get the data in the serial Monitor. Or if you are transmitting any data for example "Hello World!" then you should connect and oscilloscope to Tx pin to check if your board is transmitting or not.
check the UART VCOM ports of your board that is connected to PC via USB. The you will get the data in the serial Monitor. Or if you are transmitting any data for example "Hello World!" then you should connect and oscilloscope to Tx pin to check if your board is transmitting or not.