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 ...

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 ...

[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 ...

In Part I of this article, I briefly mentioned the generic USB driver in the context of getting a USB device to communicate through it easily, with no custom kernel programming. Unfortunately, I ...

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, ...

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 ...