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 ...

Early PCs and other computers had serial ports, sometimes as their main interfaces for peripherals. Serial ports still survive, but these days they are more likely to have a USB connection into the ...

Over the last two weeks I published an article reference the USB to serial converter see Project Usb to serial converter http://edn.com/project/mark_harrington/usb-to ...

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 ...

I need to connect to devices that use an rs-232 connection, but I was wondering if I could use cat5 cable instead of rs-232 cable since I don't have rs-232 cable but plenty of cat5. The connection ...

Sending and receiving data over a given distance has grown from a passion in humans to a necessity. In 1810, a German man created a system for sending encoded messages via air bubbles. He crafted a ...