The solution I have found so far is not to have pins D+,D-,D14,A5 connected to the terminal block.
I found the problem.The pins of Firebeetle ESP32-S3 are not D+,D-,D14, or A5, while the pins connected to the Terminal Block Board are 3V3,GND,SCL, and SDA.
Hello, may I ask what kind of project do you want to use the function for?
The CAD file has been updated to the WIKI.
If the serial port keeps connecting and then disconnecting repeatedly, please connect pin 9 to GND and power on again.
If the serial port keeps connecting and then disconnecting repeatedly, please connect pin 9 to GND and power on again.