There’s a part you’ll find in almost every mains powered switch mode power supply that might at first appear to have only one application. An optocoupler sits between the low voltage ...

If I mention nuclear reactor accidents, you’d probably think of Three Mile Island, Fukushima, or maybe Chernobyl (or, now, Chornobyl). But there have been others that, for whatever reason, ...

Over on YouTube [CuriousMarc] and [TubeTimeUS] team up for a multi-part series E&L MMD-1 Mini-Micro Designer Restoration. The ...

We’ll be honest. If you had told us a few decades ago we’d teach computers to do what we want, it would work some of the time, and you wouldn’t really be able to explain or ...

We often take for granted how easy it is to get information in today’s modern, Internet-connected world. Especially around ...

Such are the breadth of functions delivered by integrated circuits, it’s now rare to see a simple small-signal transistor ...

If you were asked to make an e-commerce website in 2025, what language would you reach for? Show of hands: JavaScript? Go?

One characteristic of adding PV solar to homes is a massive increase in high-voltage and high-current DC installations. With this comes a need for suitable breakers, but without the requisite ...

The flip-flop, in whichever of its several forms you encounter it, is a staple of logic design. Any time that you need to ...

In previous episodes of this long-running series looking at the world of high-quality audio, at every point we’ve stayed in the real world of physical audio hardware. From the human ear to ...

It’s a truism that a computer must boot before it begins to operate. Nowadays that bootstrapping process is automatic, but in the case of the very first home computers, it was very much a ...

These days, most of the media we consume is digital. We still watch movies and TV shows, but they’re all packaged in digital ...