There are many ways to build a radio receiver, but most have a few things in common, such as oscillators, tuned circuits, ...

Much has been written about the demise of physical media. Long considered the measure of technological progress in ...

If you read Japanese, you might have seen the book “Design and Implementation of Microkernels” by [Seiya Nuda]. An appendix ...

For a lot of us, soldering just seems to come naturally. But if we’re being honest, none of us was born with a soldering iron ...

Over the course of the 1990s we saw huge developments in the world of PC graphics cards, going from little more than the ...

It’s a fair bet that most of us have a ton of wireless doo-dads around the house, from garage door remotes to wireless thermometers. Each of these gadgets seems to have its own idea about how to ...

A few days later, it looks now like Prusa pulled the models of their own accord, because of their interpretation of the ...

Many of us used “big iron” back in the day. Computers like the IBM S/360 or 3090 are hard to find, transport, and operate, so ...

How do you know that your patch cables are good? For simple jumper wires, a multimeter is about all you need to know for sure ...

Stephen Woodward] is familiar with digital potentiometers but is also familiar with their limitations. That spurred him to ...

At the 38th Chaos Communications Congress, [Frostie314159] and [Jasper Devreker] gave us a nice update on their project to write an open-source WiFi stack for the ESP32. If you’re interested in ...

Sheet metal is very easy to form, including the pressing in of intricate shapes with dies and a hydraulic press, but the dies themselves are slightly harder to come by. What if we could 3D print ...