IBM mainframes are known for very unusual terminals. But IBM made many different things, including the IBM 3151 ASCII terminal, which uses a cartridge to emulate a VT220 terminal. [Norbert Keher] ...

David] sent us a tip about a company in Belgium, Citronics, that is looking to turn old cellphones into single-board ...

Even in 2025 there are still many applications for a simple Disk Operating System (DOS), whether this includes running legacy ...

C3, and for good reason. The microcontroller has a lot to offer, and the current crop of tiny dev boards sporting it make ...

Many years ago, audio equipment came with a tone control, a simple RC filter that would cut or boost the bass to taste. As time passed, this was split into two controls for bass and treble, and ...

Even if you aren’t a Disney fan, you probably know about EPCOT — Experimental Prototype Community of Tomorrow — a Disney attraction that promised a glimpse of the future.

Afficionados of vintage electric organs will know about the Melotron, an instrument from the 1960s that had pre-recorded ...

On 31 March of this year we had to bid farewell to Charlotte Elizabeth “Betty” Webb (née Vine-Stevens) at the age of 101. She ...

Should you travel around Europe, you may notice that things in France are ever so slightly different. Not necessarily better ...

These days, if you want to build something with modern chips and components, you probably want a custom PCB. It lets you ...

We’re used to there being an array of high-end microprocessor architectures, and it’s likely that many of us will have sat in ...

We know a bit more about the GitHub Actions supply chain attack from last month. Palo Alto’s Unit 42 has been leading the ...