I have been working with computers since the late 70s, and that's not for boasting purposes, but to tell you where I come from. When I started, I was always told to NEVER plug/unplug the following ...

First introduced in 1970, parallel ports were originally designed to connect business computers to printers. With their inclusion on the IBM PC in the early 1980s, they became an industry standard.

What's a good brand to go with? I know there are some that are queer and use special drivers - i'm looking for something that I can just plug in and it will show up to XP like any other COM port, so I ...

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 ...

The projects illustrates a standard HD44780 compatible LCD being interfaced and the Crystal Fontz serial protocol being emulated over a virtual COM port created by the FTDI chip in order to use the ...

Before 2000, desktop printers for business had one of two interfaces: serial and parallel. The type of interface dictated the type of cable you used to connect the printer to the PC and how fast the ...