Is there anyway to upload some firmware to the STM32 that makes it act as a "serial passthrough", receiving the serial data from the computer from the virtual COM port, then writing it to a UART, which is connected to pins 0 and 1 on the Mega. The ba...

Hi, I’m using STM32CubeIDE 1.1.0 (Window) and bluepill STM32F103C8T6 but I met error when debugging:Error in final launch sequence:Failed to execute MI command:target remote localhost:3333Error message from debugger back end:localhost:3333: The syste...