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Author Archives: Al Williams

AT&T’s Unix PC — We Hardly Knew You

Posted on May 1, 2026 by Al Williams

Before Linux, there was Unix. It was great, but it was and has been plagued by problems with licensing and proprietary competition. [Vintage Appartus] recalls, for example, the AT&T Unix …read more Continue reading AT&T’s Unix PC — We Hardly Knew You→

Posted in 3b1, att, retrocomputing, unix, Unix PC

Electronics Near Zero

Posted on May 1, 2026 by Al Williams

Normally, when you design an electronic gadget, you worry about how hot it will get. Automotive-grade components, for example, often have higher allowable temperatures than commercial parts. However, extremely cold …read more Continue reading Electronics Near Zero→

Posted in gallium oxide, News, Science, semiconductor

Using a VT-100 Today

Posted on April 29, 2026 by Al Williams

You may not know what a ADM-3, a TV910, or a H1420 are, but you probably have at least heard of a VT-100. They are all terminals from around the …read more Continue reading Using a VT-100 Today→

Posted in dumb terminal, retrocomputing, vt-100

Digital Signal Processing on the Pi Pico

Posted on April 29, 2026 by Al Williams

If you want to dabble in audio digital signal processing, you would probably think of grabbing a dedicated DSP chip. But thanks to [WeebLabs], you could just pick up a …read more Continue reading Digital Signal Processing on the Pi Pico→

Posted in digital audio hacks, DSP, pi pico, Raspberry Pi, rp2040, rp2350, sound card

Ask Hackaday: Do You Need a Tablet?

Posted on April 29, 2026 by Al Williams

There’s an old saying that the happiest days of a boat owner’s life are the day they buy the boat, and the day they sell it. For me, the happiest …read more Continue reading Ask Hackaday: Do You Need a Tablet?→

Posted in Android Hacks, android tablet, Hackaday Columns, iPad, linux hacks, rants, Tablet Hacks

A Guide to CubeSat Mission and Bus Design

Posted on April 28, 2026 by Al Williams

If you mention the word bus, you might think of public transportation or, more likely for us, a way to connect things together. But in the satellite world, the bus …read more Continue reading A Guide to CubeSat Mission and Bus Design→

Posted in cubesat, ebook, Hardware, reference books, Space

Why Solid State Batteries Short

Posted on April 28, 2026 by Al Williams

Solid state batteries, we are told, are the new hot battery technology that will replace lithium-ion batteries. Soon. Not that we haven’t heard that before. One reason it isn’t dominating …read more Continue reading Why Solid State Batteries Short→

Posted in News, Science, solid state batteries | Tagged Batteries

Register Renaming

Posted on April 27, 2026 by Al Williams

[Shreeyash] asks an interesting question: how many registers does your CPU have? The answer is probably more than you think. The reason? Modern CPUs — at least many of them …read more Continue reading Register Renaming→

Posted in Microcontrollers, out of order execution, register renaming, superscalar

The Arduino UNO, Basically

Posted on April 26, 2026 by Al Williams

If you miss the days when you used Basic on your classic computer or wrote embedded software with a Basic Stamp, then maybe dust off your Arduino UNO or any …read more Continue reading The Arduino UNO, Basically→

Posted in 328p Atmega, Arduino Hacks, atmega, basic, software development

Hackaday Podcast Episode 367: Radioactive Weather, Continuous Pickles, and Moon Junk

Posted on April 24, 2026 by Al Williams

When Elliot Williams and Al Williams compare their notes on the week in Hackaday, you know you’ll get at least one or two bad puns. How bad? Tune in and …read more Continue reading Hackaday Podcast Episode 367: Radioactive Weather, Continuous Pickles, and Moon Junk→

Posted in Hackaday Columns, Hackaday Podcast, Podcasts

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