I use STM32H750B-DK board. It has UART3 connected to the ST-LINK USB.I trieduint8_t Test[] = "Hello World !!!\r\n";HAL_UART_Transmit(&huart3,Test,sizeof(Test),10);printf("Hello World 1 !!!\r\n");HAL_UART_Transmit output has passed to the terminal.pri...