The serial port is most commonly RS232, which is a standard that dates back to the 1960s. Although RS232 is the most widely used, these adapters can also feature RS485 or RS422 serial interfaces.

[Johan von Konow] found that he was using an FTDI USB-to-Serial chip in a lot of his projects and wanted to have an easy prototyping component on hand to facilitate this. What he came up with is th… ...

The USB serial core calls the individual port_probe() function in the USB serial driver for the port, if present, and then registers the port with the tty layer, completing the initialization process.

We know, you’ve already got a USB to serial adapter. Probably several of them, in fact. But that doesn’t mean you couldn’t use one more — especially when it’s as as cleverly designed as ...

Plug the USB-to-serial adapter into an open USB port on your computer. Insert your adapter's driver CD when you see a "Found New Hardware Wizard" window appear on your screen.

The driver in question is for a line of USB-to-serial chips designed by Scottish firm FTDI. ... as just about every microcontroller and embedded device out there can communicate over a serial port.

Prolific PL2303 USB-to-Serial driver is not working on Windows 11. ... restart your computer and connect your computer with the device with a serial port via the Prolific USB-to-Serial adapter cable.

Before USB ports became standard on PCs, several devices connected through a serial port. They're obsolete in many ways, but they still see some use.

The USB to serial adapter has a USB-A port on one end and a serial port on the other. The serial port is most commonly RS232, which is a standard that dates back to the 1960s.

In my last column [see LJ December 2002], we covered the serial layer in the 2.5 (hopefully soon to be 2.6) kernel tree. We mentioned in passing that a USB-to-serial driver layer in the kernel helps ...