AND gate implemented as diode-resistor logic. (Credit: Anthony Francis-Jones) The fun part about logic gates is that there are so...
Hackaday
When we were kids, it was a rite of passage to read the newly arrived Edmund catalog and dream of...
There’s a famous old story about fixing a generator for . He charged a lot of money for putting a...
The original ESP32 may be a little long in the tooth by now, but it remains a potent tool for...
It is a well-known reality of rescuing certain older electronic devices that, at some point, you’re likely going to have...
Predicting the future is a dangerous occupation. Few people can claim as much success as Arthur C. Clarke, the famous...
If you’ve worked on a project with small LEDs, you know the frustration of determining their polarity. This ingenious LED...
Since October 1978, the National Oceanic and Atmospheric Administration (NOAA) has operated its fleet of Polar-orbiting Operational Environmental Satellites (POES)...
I often ask people: What’s the most important thing you need to have a successful fishing trip? I get a...
Communicating with space-based ham radio satellites might sound like it’s something that takes a lot of money, but in reality...
If you look at this solar generator from , you might think it’s somehow familiar. That’s because the design was...
White LED bulbs are commonplace in households by now, mostly due to their low power usage and high reliability. Crank...
Plenty of readers will be familiar with CRT televisions, not least because many of us use them with retrocomputers and...
Today in material science news we have a report from about a new supermaterial which is as strong as steel...
When a man wearing an Atari T-shirt tells you he’s buying Commodore it sounds like the plot for an improbable...
Do you ever get tired of stressing your neck looking for planes in the sky? Worry not! Here is a...
Here’s one for our astronomy geeks. Our hacker has made their own observatory! This particular video is a bit over...
If we asked you to think of a device that converts a chemical reaction into electricity, you’d probably say we...
The ARRL used to have a requirement that any antenna advertised in their publications had to have real-world measurements accompanying...
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...
Recently in material science news from China we hear that and his team at Peking University just made the world’s...
We’ve all seen those cheap bench power supply units (PSUs) for sale online, promising specifications that would cost at least...
