The back of your PC is a rich source of connectivity. Ports and connectors exist for just about any device you can find, though some may be more obscure than others. In today’s USB-centric PC, it’s ...

The Emerald-MM-8P serial-port module offers eight multiprotocol serial ports on a PC/104 module with complete software configurability. Targeting PC/104-expandable embedded computer systems running ...

Controlling a lunar lander using a 1980s home computer is not for the faint of heart, and this project shows how one intrepid ...

The circuit shown in Figure 1 provides a simple, low-power means of digitizing analog signals and sending the data directly to a PC's serial port where it can easily be read, analyzed, and stored. The ...

A computer’s serial port is a convenient source of low-speed dc control signals that are easy to set from software. For example, the RTS (request-to-send) line outputs about +9 V when “on” and -9 V ...

Your friend is mistaken. This serial port he is talking about is called "CGA" and closely resembles a serial port. However it still requires a graphics card and a monitor! You can convert a CGA signal ...

We are now going to examine how to access your computer's serial ports. In order to do this, we need some sort of serial device to talk to. A serial port loopback plug is probably the simplest. These ...

[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 ...

The universal serial bus (USB) enables users to connect plug-and-play devices to a PC, but different kinds of USB exist. USB 1.0 and 1.1 are older versions of the interface that are much slower than ...

In the olden days, plugging something into your computer—a mouse, a printer, a hard drive—required a zoo of cables. Maybe you needed a PS/2 connector or a serial port, the Apple Desktop Bus, or a DIN ...

After connecting a device with a serial port with the computer via the Prolific PL2303 cable, some users have received the following error message: Please install the ...