With the correct driver installed, your FT231X-based device will reliably enumerate as a COM port (Windows), /dev/tty.usbserial (macOS), or /dev/ttyUSB0 (Linux). Whether you're debugging an embedded system, programming an ESP32 via a serial adapter, or building a custom USB peripheral, a properly installed FT231X driver is your foundation for stable communication.

Visit the official FTDI Community Forum or check your device manufacturer’s support page for specific pinout or voltage-level details. Last updated: Q2 2026. Article includes verified driver links and procedures for the FT231X USB UART chip. All advice follows FTDI’s official documentation.

However, for your operating system to recognize a device equipped with an FT231X chip (such as a USB-to-TTL adapter cable or a development board), you need the correct .

✅ https://ftdichip.com/drivers/vcp-drivers/

From this page, select your operating system: