Usb Ser Drivers _verified_ May 2026

Arduino Uno (with 16U2), many STM32 development boards.

Native on Linux, macOS, and Windows 10+ (usbser.sys). Windows 7 requires an .inf file. 4.2 Vendor-Specific Drivers Many commercial USB-to-serial chips require proprietary drivers due to non-standard protocols, extra features (GPIO, I2C), or historical reasons. usb ser drivers