One of the categories we chose for the One Hertz Challenge is “Could Have Used a 555.” What about when...
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It’s often said that what’s inside matters more than one’s looks, but it’s hard to argue that a product’s looks...
We did explicitly ask for projects that use a 555 timer for the One Hertz Challenge, but we weren’t expecting...
The human eye’s color perception is notoriously variable (see, for example, the famous dress), which makes it difficult to standardize...
Lightning is a powerful force, one seemingly capable of great destruction in the right circumstances. It announces itself with a...
Our hacker wrote in to let us know about a video he put together to explain the design of his...
Film maker wrote in to let us know about his recent documentary: Before Macintosh: The Apple Lisa. The documentary covers...
The inside of this AF117 transistor can was a thriving whisker ecosystem. (Credit: Anthony Francis-Jones) AF114 germanium transistors and related...
While we know that many of you are reading Hackaday via our Really Simple Syndication (RSS) feed, we suspect that...
Well, here’s an interesting idea: the service loop. Ever heard of it? We haven’t! In the video, the presenter explains...
AND gate implemented as diode-resistor logic. (Credit: Anthony Francis-Jones) The fun part about logic gates is that there are so...
When we were kids, it was a rite of passage to read the newly arrived Edmund catalog and dream of...
Predicting the future is a dangerous occupation. Few people can claim as much success as Arthur C. Clarke, the famous...
Communicating with space-based ham radio satellites might sound like it’s something that takes a lot of money, but in reality...
When a man wearing an Atari T-shirt tells you he’s buying Commodore it sounds like the plot for an improbable...
There are (probably) less than two dozen fundemental constants that define the physics of our universe. Determining the value of...
Shade is the mortal enemy of solar panels; even a little shade can cause a disproportionate drop in power output....
Almost all satellites have some kind of thrusters aboard, but they tend to use them as little as possible to...
On the podcast, and I were talking about the continuing saga of the libogc debacle. has been interviewing some of...
We’ve all seen those cheap bench power supply units (PSUs) for sale online, promising specifications that would cost at least...
For circuit simulation, we have always been enthralled with the Falstad simulator which is a simple, Spice-like simulator that runs...
In these days of everything-streaming, it’s great to see an old school radio build. It’s even better when it’s not...
reports that they have made the world’s longest range LED flashlight! While technically “handheld”, you’re gonna need both hands for...
If you talk about Starlink, you are usually talking about the satellites that orbit the Earth carrying data to and...
Some hacks are so great that when you die you receive the rare honor of both an obituary in the...
