To do so, the Arduino was set up to monitor the BUSY line on the printer’s parallel port, setting the CTS line active whenever the busy line was inactive.

With the continuing manufacture of new computers, there is a clear and obvious trend of the parallel port becoming less and less common. For our younger readers; the parallel port is an interface ...

How to Operate Parallel Port Printers From USB Ports. Some businesses may still use older printers with parallel ports, and this is particularly true of devices that have special functions such as ...

I eventually gave up on XP and decided to install Windows 2000 instead.<BR><BR>Unfortunately, I forgot to re-enable the serial and parallel ports in the bios before doing the install.

Parallel ports typically are used for connecting accessories, such as printers, CD-ROM drives and tape backups, that require high data speeds.

<BR><BR>Same with serial ports. Well, not quite the same: they're even more robust than parallel ports. <BR><BR>PS/2 ports can definitely be fried by hot-plugging.