Guanella Impedance Transformer. (Credit: FesZ Electronics) Even before entering the mystical realms of UHF design, radio frequency (RF) circuits come...
Hackaday
When the first artificial satellite, Sputnik, was put into orbit around Earth, anyone in the path of the satellite could...
recently wrote in to share his experiments with using the LimeSDR mini to conduct a bit of piracy on the...
Transition-metal dichalcogenides (TMDs) are the subject of an emerging field in semiconductor research, with these materials offering a range of...
The MP3 file format was always encumbered with patents, but as of 2017, the last patent finally expired. Although the...
You can work with a part for many decades, and still learn something new about it. At least we can,...
Did you ever hear of a satellite called Parcae (pronounced like park-eye)? If you haven’t, don’t feel bad—it was, after...
The ESP32 series of microcontrollers have been with us for quite a few years now, providing a powerful processor and...
The chances are that many of you will have made an FM “bug” style transmitter, a simple one-transistor oscillator usually...
Everyone knows that the perfect capacitor to decouple the power rails around ICs is a 100 nF ceramic capacitor or...
One of the more popular activities in the ham radio world is DXing, which is attempting to communicate with radio...
At the height of the Cold War, those of us on the western side of the wall had plenty of...
Not too far away from where this is being written is one of Uncle Sam’s NATO outposts, a satellite earth...
The moon is a popular target for ham radio operators to bounce signals since it’s fairly large and follows a...
The piece of copper wire moments before getting vaporized by 4,000 joules. (Credit: Hyperspace Pirate, Youtube) In lieu of high-explosives,...
Most of us first spot them as children—the white lines in the blue sky that are the telltale sign of...
When it comes to amateur radio, one size definitely does not fit all. That’s especially true with antennas, which need...
High-speed bench equipment has become so much more affordable in the last decade that naturally one wonders what has made...
With the slow demise of physical media the past years, companies are gradually closing shop on producing everything from the...
When it comes to hacking niches, breathing new life into vintage devices is always an exciting challenge. ’s recent project...
These days, anything with copper in it is expensive. If you doubt that, a walk into any Home Depot electrical...
Sometimes it’s the simplest hacks that make the biggest impact. Take these DIY magnetic PCB vises for example. Sure, you...
Join us on Wednesday, January 15 at noon Pacific for the Raspberry Pi Hack Chat with Eben Upton! The Hack...
Full disclosure: ham radio isn’t for everyone, and there are many different facets to it. What appeals to one person...
The OTC Station 29.8 meter dish at Carnarvon, Australia, in need of a bit of paint. (Credit: ABC News Australia)...
