[Robert’s Retro] is one of those great YouTube channels that shows us the ins and outs of old and obscure computers. [Robert] likes going a step beyond the traditional teardown though, repairing and ...

Without some good means of input and output, a computer makes a pretty good doorstop or boat anchor. Once we start plugging things into a computer, however, it can receive data and instructions, ...

The hot-swap serial-interface circuit in Figure 1 allows two computers to see all of the communication between each computer and each device on the communication network for that serial port. This ...

The USB port is something most of us take for granted. You plug in a phone, keyboard, or one of the many useful USB gadgets out there, and it just works. But not too long ago, this was basically ...

Ok, the title is a bit misleading. Like most things in life, it really isn’t infinite. But I’m going to show you how you can use a very interesting Linux feature to turn one serial port from a ...

Prolific PL2303 is a USB-to-Serial adapter cable that lets you connect your computer to the devices with serial ports, like a PLC (Programmable Logic Controller). When you connect a device with your ...

The first USB port hit the market in 1996, and the Universal Serial Bus quickly became the go-to port for connecting peripheral devices to computers. It remains a popular connection port today, with ...

Your TV's RS-232 port is a seriously useful automation tool - how to unlock its full potential ...