Some software and specialty hardware requires you to use a traditional serial port. Serial ports have been around for decades and work by transferring one bit of data at a time at a relatively slow ...

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 this one from ...

The SeaLINK+8/232 RJ and the SeaLINK+8 VC USB-to-serial adapters offer eight independent serial ports, each of which appear as standard COM ports to the host computer. The devices connect RS-232 and ...

If you've been using computers for more than a couple of decades, you've probably used a serial port to attach peripherals like your mouse and modem. Until the USB standard rendered them obsolete in ...

[Felipe Navarro] wanted to add a few serial ports to his computer, but couldn’t find an adapter that suited his needs. So, he built his own. His Quad Serial device is a nicely designed converter that ...

C, and USB Type-B ports are used in all sorts of devices nowadays, but they're not all made the same, and some are becoming less common.

A socket that connects to a serial interface (one bit following another over one line). Serial ports are widely used by sensors for data acquisition, and they were standard on early computers for ...

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 ...

Without some good means of input and output, a computer makes a pretty good doorstop or boat anchor. Once we start plugging things into a computer, however, it can receive data and instructions, ...

Although serial port connections have been replaced by USB ports in most computers, older business equipment such as fax machines and printers may still utilize them. When a serial port stops ...