For circuit simulation, we have always been enthralled with the Falstad simulator which is a simple, Spice-like simulator that runs...
Hackaday
Impedance matching is one of the perpetual confusions for new electronics students, and for good reason: the idea that increasing...
In these days of everything-streaming, it’s great to see an old school radio build. It’s even better when it’s not...
Microsoft’s latest Phi4 LLM has 14 billion parameters that require about 11 GB of storage. Can you run it on...
Metalized Mylar “space blankets” are sold as a survivalist’s accessory, primarily due to their propensity for reflecting heat. They’re pretty...
Starting on June 12, 2025, the NASA Spot the Station website will no longer provide ISS sighting information, per a...
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...
You think of op amps as amplifiers because, no kidding, it is right in the name. But just like some...
You’re designing an oscilloscope with modest storage — only 15,000 samples per channel. However, the sample rate is at 5...
Telescopes are great tools for observing the heavens, or even surrounding landscapes if you have the right vantage point. You...
Some hacks are so great that when you die you receive the rare honor of both an obituary in the...
If you want solar power, you usually have to make a choice. You can put a solar panel in a...
As with all aging bodies, clogged tubes form an increasing issue. So too with the 47-year old Voyager 1 spacecraft...
Once upon a time, typing “www” at the start of a URL was as automatic as breathing. And yet, these...
Although is explaining linear regression because it relates to machine learning, the post and, indeed, the topic have wide applications...
The 1970s saw a veritable goldrush to corner the home computer market, with Tandy’s Z80-powered TRS-80 probably one of the...
Every year lightning strikes cause a lot of damage — with the high-voltage discharges being a major risk to buildings,...
Classic demos from the demoscene are all about showing off one’s technical prowess, with a common side order of a...
You normally think of ELINT — Electronic Intelligence — as something done in secret by shadowy three-letter agencies or the...
sent us this stunning multimeter she built as a gift for her mom. Dubbed the Mohmmeter — a playful nod...
had a problem. He had an Onkyo AV receiver that did a great job… until it didn’t. A DSP inside...
With vector network analyzers, the commercial offerings seem to come in two flavors: relatively inexpensive but limited capabilities, and full-featured...
Morse code can be daunting to learn when you’re new to the game, particularly if you need it to pass...
We’ve seen tons of projects lately using the ESP32-C3, and for good reason. The microcontroller has a lot to offer,...
