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.

The module plugs into a groov EPIC chassis alongside the company’s new groov Edge Programmable Industrial Controller (EPIC) and discrete and analog I/O modules, to provide four independent and ...

Supporting Serial devices is cumbersome and difficult, not to mention it only allows for 1:1 communication between devices which is extremely limiting. Almost all modern PLCs and programmable ...

[Craig] cracked open a multimeter to unlock RS232 serial communications that can be used for data logging. There’s a couple of things that make this possible. First of all, the multimeter’s ...

Also known as an RS-232 port, serial ports provide very slow speeds and have been superseded by USB on desktop computers. USB-to-serial adapters are available for old peripherals.

The simple method described here evaluates a one-wire device that uses pulse-width-encoded communications from a PC serial port. Communications errors such as parity and acknowledge ...

There is a gotcha lurking in wait for hackers who look at a piece of equipment, see a port labeled “Serial / RS-232”, and start to get ideas. The issue is the fact that the older the equipment ...

But the serial port is not dead. While RS-232 is mainly gone from the computer scene, it is still alive and well in industry. In fact, according to some, the RS-232 product business is still growing.