LTE networks have taken over from older technologies like GSM in much of the world. Outfitted with the right hardware,...
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Astronauts will be testing the Orion Artemis II Optical Communications System (O2O) to transmit live, 4K ultra-high-definition video back to Earth from...
Something that probably unites many Hackaday readers is an idle pursuit of browsing AliExpress for new pieces of tech. Perhaps...
One of the more popular trends in the ham radio community right now is operating away from the shack. Parks...
Morse code might seem obsolete but for situations with extremely limited bandwidth it’s often still the best communications option available....
LoRa is a communications method that allows for long range radio contacts to be made using typically low-powered devices. This...
Dirty little secret time: although amateur radio operators talk a good game about relishing the technical challenge of building their...
A rite of passage in decades past for the electronics experimenter was the crystal radio. Using very few components and...
Fair warning: if you’re going to try to mold uranium glass in a microwave kiln, you might want to not later...
Most ham radio operators will build an antenna of some sort when they first start listening or transmitting, whether it’s...
Noise is all around us, and while acoustic noise is easy to spot using our ears, electronic noise is far...
Have you ever felt the options for Morse code communication were too limited? Well, look no further than ’s open source...
As NFC chips proliferate, so do the antennas they require for operation, and since many NFC-enabled items are single-use, this...
We’ve all picked up a radio and switched it on, only to hear an awful scratchy noise emitting from the...
In our surface-mount age, it’s easy to be jaded about miniaturization. We pretty much expect every circuit to be dimensionally...
In the 1980s, an oscilloscope was typically a bulky affair with a large CRT, and a heavy power supply. So...
Magnetic loop antennas are great if you are limited on space since they are just a potentially small loop of...
Multimeters are indispensable tools when working on electronics. It’s almost impossible to build any but the most basic of circuits...
If you have a Raspberry Pi connected to an LED matrix, you might think about creating a simple oscilloscope. Of...
Computers connected to networks are constantly threatened by attackers who seek to exploit vulnerabilities wherever they can find them. This...
If you enjoy old military hardware, you probably know that Harris made quite a few heavy-duty pieces of radio gear. ...
The Buzzer, also known as UVB-76 or UZB-76, has been a constant companion to anyone with a shortwave radio tuned...
Yagi-Uda antennas, or simply “Yagis”, are directional antennas that focus radio waves to increase gain, meaning that the radio waves...
When we first saw this 1944 US Office of Education film about hand soldering, we figured it might still have...
If you look up at the night sky in a dark enough place, with enough patience you’re almost sure to...
