BiBoard V1
BiBoard V1 USB Driver to access the serial port
Some USB cables are just for charging and do not have data transfer capability. Using the original data cable in the kit is better for making the uploading successful.
When you use a USB type-C data cable to upload the firmware for the mainboard.
In Windows, if there is no serial port in the port list of Device Manager:

In Mac, open the Terminal program under the Applications-Utilities folder and type the following commands. If no serial device name starting with "tty.wchusbserial" or "cu.wchusbserial" is found:
Please download and install the USB driver:
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