Prolific PL2303 USB-to-Serial driver is not working on Windows 11 Some users have reported that the Prolific PL2303 driver does not work after installing it on Windows 11.

FTDI develops devices & relevant software drivers, specializing in USB drivers. Here's how FTDI drivers can be installed on Windows computers.

Set the correct COM port, but the speed and configuration settings are ignored by the USB serial port driver. A capital ‘R’ will prompt the receiver to reply ‘OK’.

Their drivers needed to be reinstalled every time I wanted to use it. I finally opted to get an expensive (>$50) USB->Serial converter from Garmin, and it works fine.

Keyspan has released the final version of its Mac OS X driver for its family of serial adapters, including the USB Twin Serial Adapter, USB PDA Adapter, USB High Speed Serial Adapter, and USB Serial ...

i thought a USB serial port was a standard USB device class that should work without any drivers, but apparently the situation is more complicated than that.

This is a true virtual serial port driver and it runs as system service. It easily shares serial data of one Com port among several applications.

We used version 2.3 of Microchip’s USB stack to create a USB serial port using the default drivers already available on most systems. The USB stack has simple functions to enumerate the USB ...