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We tend to think of breaking the sound barrier as a comparatively modern accomplishment, but on a smaller scale, cattle herders have been breaking it for centuries: the cracking sound …read more

If you’ve never heard of the Spin Semiconductors FP-1 digital signal processor chip, don’t worry– that just means you haven’t been deep into guitar petals and audio effects hardware lately. …read more

You want Retro? We did, when we started our retrocomputing challenge. [Peter] decided that transistors weren’t retro enough, and sent us this lovely homebrew relay computer, complete with 16- bit …read more

Although building a table saw out of LEGO is probably not the first thing that comes to mind when you look at those colorful bits of plastic, [Jamie] has been …read more

[Andy Huot] has a fantastic-looking infinity mirror digital clock that really raises the bar. It uses high quality components, smart use of RGB LED animations, and a clever “stacked diffuser” …read more

Apple hardware has always been proprietary, sometimes to an extreme. But that’s not to say that it’s impossible to make something that does the same job, which is what [DosFox1] …read more

The 2026 Hackaday Superconference is just around the corner in November. It’s hard to believe that we’ve been having an annual gathering for so long, but this is number ten. …read more

Launched in 1976, LAGEOS-1 (LAser GEOdynamic Satellite) is unusual in that it contains no instrumentation, no electronics, no power supply, and no means of propulsion. It’s spherical, weighs just under …read more

Although hard disks weren’t a common feature yet in many home computers in the 1980s, they were becoming increasingly more affordable. For relative meanings of the word ‘affordable’, naturally. This …read more

Among all the machines of the 8-bit home computer era which booted straight to a BASIC prompt, there were a very few that went their own way with another language. …read more

Folding a sheet of metal in a straight line is one thing, but how does one fold multiple curved lines into a sheet of aluminum without fancy machines? [John] demonstrates …read more

When you see a listing for an Ethernet switch whose specification list is in effect ‘yes’, with a four-digit price tag when new, and with the seller asking for less …read more

For a little while vacuum tubes and semiconductors were fighting a heated battle for dominance, with bipolar junction transistors and 1959’s RCA Nuvistor both allowing you to build a compact …read more

Nintendo has made many game consoles in its long history — one that famously overlaps that of the Ottoman Empire — but only one of them was ever Super. It’s …read more

In this specially-numbered podcast episode that lines up quite nicely with our Retrocomputing Challenge, Elliot Williams and Kristina Panos met over surprisingly low latency and loud beverages to bring you …read more

The revival in film photography has brought a range of specialist films to tempt the experimenter, as well as increased the popularity of loading your own cartridges. But perforating the …read more

Several times this summer, Microsoft’s Patch Tuesday, the monthly roundup of major security patches for Microsoft products, has included record-breaking numbers of security fixes. The August 2026 patch set actually …read more

One of the things we used to appreciate about broadcast television is that… you kinda just got what you got. You didn’t have to choose beyond picking a channel, and …read more

Expressif might not have intended the ESP32-S3 to become an emulation powerhouse, but that’s certainly what has happened. The little microcontroller seems perfect for recreating the Game Boys or Game …read more

Once upon a time, you had to carefully budget your microcontroller’s resources if you wanted to do something as simple as flash a bunch of LEDs. These days, they’re powerful …read more