Since most of us are long past the days of hardware serial ports, the USB to serial adapter has become a mainstay on the hacker’s tool belt. While they’re cheap and convenient, USB to serial adapters ...

We know, you’ve already got a USB to serial adapter. Probably several of them, in fact. But that doesn’t mean you couldn’t use one more — especially when it’s as as cleverly designed as this one from ...

The device shown in Figure 17-1 is an RS-232–to–TTL converter board, designed to allow a PC with a serial (RS-232) port to communicate with a device that has a console (TTL) port. External converters ...

Since the introduction of the USB protocol, you don't see many serial devices anymore. For that reason, most manufacturers no longer include a serial port on desktop or laptop computers. Therefore, if ...

While the RS-232, RS-422, and RS-485 serial standards are hardly new, combining them over a single connector creates challenges unforeseen when these standards were first drafted years ago.

A PLC or programmable logic controller is a type of computer often employed to monitor and control industrial manufacturing operations. The device, which you may see referred to as a programmable ...

I just picked up a perfectly functional HP Laserjet 4 Plus for a very nice price and noticed it has both a parallel and a serial connector. I want to install it as a network printer together with an ...