DB (D-Sub) Connectors and COM Ports A serial port on a PC is a male 9-pin connector (DE-9 D-sub). Early PCs had two 9-pin connectors or one 9-pin and one 25-pin (DB-25). On a PC, serial ports are ...

What to do when you have a legacy serial device, but no serial port on the computer you want to connect? [vahidyou] designed a wireless serial dongle to solve this conundrum. Faced with a CNC that ...

PC serial ports are notorious for being a non-standard "standard" connection, as they're often difficult-to-impossible to get working properly. All sorts of seemingly unrelated things can cause ...

U niversal Serial Bus (or USB for short) ports on a PC are typically used for connecting input devices, accessories, and storage drives. The standard has been around since the lat ...

Windows Me was more revolutionary than most people realize, introducing features that we continue to use today, like ...

2-port Isolated RS-232/422/485 Communication Module. Data Bits: 5, 6, 7, 8. Stop Bits: 1, 1.5, 2. Parity: None, even, odd. Baud Rate: 50 bps ~ 230.4 kbps. Data ...

External hard drives back up your most important files, but what happens when they malfunction? Here's what to do if your ...

PCMCIA serial adapter cards provide one or more serial ports to a host computer. They use a PCMCIA card bus to interface with the host, and add RS232, RS422, RS485, or other types of serial ports.

Here's how Port St. Lucie police was able to identify a man charged with first-degree murder following a September homicide.

The easiest interface to use was the trusty serial port — hardly the fastest but definitely ... you can still make it bend to your will from a PC. Try it, with the magic of VISA.

The simulation of a serial port in software in order to allow USB, Ethernet or some other input/output port to take its place. Virtual serial ports are necessary to enable an application that was ...