: Sometimes FTDI devices require two driver passes—one for the "USB Serial Converter" and a second for the "USB Serial Port".
Windows Desktop (64-bit/32-bit) Executable — This is the easiest option for Windows users as it automates the setup. ft231x usb uart driver link
The FT231X is a workhorse of the electronics world, and keeping the correct driver link handy can save you hours of troubleshooting. With the official FTDI VCP driver installed, your development board should seamlessly bridge the gap between your code and your hardware. : Sometimes FTDI devices require two driver passes—one
Once on the page, scroll down to the "VCP Drivers" section and select the version corresponding to your operating system. With the official FTDI VCP driver installed, your
| Problem | Solution | | :--- | :--- | | | Unplug device → Uninstall driver (via Device Manager) → Reboot → Reinstall driver → Replug device. | | "Driver cannot be verified" on macOS | Go to System Preferences → Security & Privacy → General and click Allow next to the FTDI driver. | | COM port number too high (> COM9) | Go to Device Manager → Ports → Right-click USB Serial Port → Properties → Port Settings → Advanced → Change COM Port Number to COM3-COM9. | | Linux device not showing | Ensure you have sudo apt install linux-modules-extra-$(uname -r) (for Ubuntu/Debian). |
If your device is still not showing up as a COM port, try these steps: Drivers - FTDI