The Cheap Yellow Display (CYD) is an ESP32 development board that’s been making the rounds for a while now, thanks to its ...

Concentrate6308] is working on the GitHub for this final build of 2024, dubbed the GEMK_47. That stands for Grid Ergo Magnetic Keyboard, but I swear there are 48 keys. What ...

If you’ve used the Espressif series of processors, perhaps you’ll have heard of their upcoming ESP32-P4. This is an ...

There’s plenty of surprises to be had when you become a parent, and one of the first is that it’s suddenly your job to record ...

Over the course of the 1990s we saw huge developments in the world of PC graphics cards, going from little more than the original IBM VGA standard through super VGA and then so-called ...

In the quest for an accurate frequency standard there are many options depending on your budget, but one of the most affordable is an oven controlled crystal oscillator (OCXO). [RF Burns] has a ...

C. It’s gotten to the point that when you occasionally run across a gadget that doesn’t support being powered USB-C, the whole ...

Transition-metal dichalcogenides (TMDs) are a class of material that’s been receiving significant attention as a possible successor of silicon. Recently, a team of researchers has ...

We found it nostalgic to watch [ve3iku] fire up an old Loran-A receiver and, as you can see in the video below, he got it working. If you aren’t familiar with LORAN, it was a common radio ...

Cassette tapes were a major way of listening to (and recording) music througout the 1980s and 1990s and were in every hi-fi stereo, boom box, and passenger vehicle of the era. Their decline was ...

We like mechanical calculators like slide rules, but we have to admit that we had not heard of the Ott Derivimeter that ...

The primary feature of stepper motors is listed right within their name: their ability to ‘step’ forwards and backwards, ...