Debug Console

Debug serial port is very useful during debugging and troubleshooting, especially when the GUI is unavailable.

Connection

It needs additional usb-to-ttl module, please refer to Serial Module

Linux PC don't need to install driver.

Windows PC driver installation is also described in Serial Module

After driver installation, you will find "Silicon Labs CP210x USB to UART Bridge" in Windows device manager.

In Linux it will be /dev/ttyUSBX or /dev/ttyACMX, the number X may be different, you can unplug and plug again to find the corresponding device.

Use the serial tool like MobaXterm or Minicom to open the serial device, baudrate is 115200, 8 data bit, 1 stop bit, no parity check.