The FT231X typically uses drivers, which make the USB device appear as a standard COM port to your applications. Windows (11, 10, 8.1, 7):
Open Terminal and type ls /dev/tty.usbserial-* . You will see a device like /dev/tty.usbserial-ABC123 . ft231x usb uart driver link
Ensure you are using a data-sync USB cable. Some cheap cables are "charge-only" and won't carry the UART data signals. The FT231X typically uses drivers, which make the
Open a terminal and type ls /dev/tty.* . Look for an entry like /dev/tty.usbserial-XXXXX . Troubleshooting Tips The FT231X typically uses drivers
: Includes support for full modem control signals (RTS, CTS, DTR, DSR, DCD, RI). Battery Charging Detection