The humble serial interface has been around for a very long time, and will stay with us in one form or other for the foreseeable future. It was easy enough to keep track of back in the days when a … ...

Before USB ports became standard on PCs, several devices connected through a serial port. They're obsolete in many ways, but they still see some use.

I will share that eventually in another post, though. But if you do want to have a go, you could easily code an Arduino to pick up two bytes on the serial port and then dump out 4,096 bytes.

Our cyclades box has an IP address, and if you telnet to x.x.x.x 7001 it gives you whatever's on port 1, telnet to port 7002 on that IP gets you the second device, and up.

Serial ports were dropped before parallel ports were - my old R52 has a parallel port but not a serial port. A quick look at that list shows that the last Thinkpads that had the ports were the A31 ...

The serial port is most commonly RS232, which is a standard that dates back to the 1960s. Although RS232 is the most widely used, these adapters can also feature RS485 or RS422 serial interfaces.

Maybe you needed a PS/2 connector or a serial port, the Apple Desktop Bus, or a DIN connector; maybe a parallel port or SCSI or Firewire cable. If you’ve never heard of those things, and if you ...

The "serial" part of the serial port's name describes how data is transmitted one bit at a time in a single line or "series." There were also parallel ports on computers that sent multiple bits ...