An “Infinite Impedance Detector” might sound a little like something that would use to zip around the galaxy. It’s not, of...
Makers
When it comes to demining or finding victims after a disaster, dogs are well-known to aid humans by sniffing out...
A computing platform is never really dead unless people stop developing new software for it. By that measure, the Commodore...
In the old days, scanners would listen to a bunch of channels in a round-robin fashion. If a signal breaks...
One of the great things about the Hackaday community is how quickly you find out what you don’t know. That’s...
Every project these days that involves detecting speech seems built around complicated algorithms: machine learning, pattern matching, and spectrum analysis...
The microstrip antenna is a convenient, planar, easy-to-fabricate antenna with some attractive attributes and features, as well as some distinct...
AIs can now apparently carry on a passable conversation, depending on what you classify as passable conversation. The quality of...
The Internet has allowed us to communicate more easily than ever before, and thanks to modern cell-phone networks, we don’t...
The RCA CR-88 was a radio receiver made to work in top-secret government eavesdropping stations. As you might expect, these radios are...
Part 1 of this series introduced two fundamental antenna concepts while part 2 discussed the PIFA antenna. Within the universe of available antennas,...
When the first radios and telegraph lines were put into service, essentially the only way to communicate was to use...
When tried painting aluminum for electronic projects, he found it didn’t tend to stay painted. It would easily scratch off...
If you’ve been looking for a practical example of using GNU Radio, you should check out work on decoding telemetry...
If you have an RTL-SDR compatible radio there’s an excellent chance you’ve heard of the rtl_433 project, which lets you...
If you’ve ever wanted to work for NASA, here’s your chance. Well, don’t expect a paycheck or any benefits, but...
A few months ago we brought you some experiments from , in which he investigated the use of a glue...
The Ham Radio All-in-one cable (AIOC) is a small PCB attachment for a popular series of radio transceivers which adds a USB-attached...
Sometimes, you just need an easy win, right? This is one of those projects. A couple months back, I was...
Digital music has made keeping all your tunes with you a lot more convenient, but have we lost something with...
When was looking at setting up environmental sensors around their home to keep track of temperature, humidity and such, the...
If you’ve ever owned a shortwave radio, you’ve probably listened at least a little to the BBC World Service. After...
Software-defined radio is all the rage these days, and for good reason. It eliminates or drastically reduces the amount of...
Time is of the essence in almost every emergency situation, especially when it comes to wildfires. A wind-driven fire can...
Hacks that bring a vintage flair to modern electronics never get old, and delivers with his Project Clean Slate inspired by vintage...