When was looking at setting up environmental sensors around their home to keep track of temperature, humidity and such, the...
Makers
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...
Car makers have been phasing out AM radios in their cars for quite some time. Let’s face it, there isn’t...
A while back, I bought a cheap spectrum analyser via AliExpress. I come from the age when a spectrum analyser...
While many of us were enjoying some time off for Thanksgiving, the US government took drastic action against Huawei and four other...
These days, sending a picture to someone else is as simple as pulling out your smartphone and sending it by...
There was a time when, if you were handy with a soldering iron, you could pretty easily open up a...
Plugging in something like an antique radio to see if it works is a good way to have a bad...
The world of microwave RF design appears to the uninitiated to be full of unimaginably exotic devices, as engineers harness...
With the rise in voice-driven virtual assistants over the years, the sight of people talking to various electrical devices in...
Throughout the 80s and 90s, you couldn’t swing a stapler around any size office without hitting a fax machine. But...
In amateur radio circles, almost no single piece of equipment serves as more of a magnet for controversy than the...
Open-source technology brings a world that laws and regulations are not quite prepared for. As a result, every now and...
We imagine that if told us he was listening to the HF bands, we might ask him which one? His...
As we returned from Supercon 2022, we noticed many airlines offer free in-flight messaging. While the messages are handy for...
Martin Rothfield] and other amateur radio operators from San Francisco High Altitude Ballooning (SF-HAB) treated conference attendees to the 2022 Hackaday Supercon to the...
has an interest in numbers stations. These mysterious stations send presumably coded numbers or other coded information. However, it is...
I don’t think there was ever a correspondence school called the “Close Cover Before Striking School” but since book matches...
As far as interesting problems go, few can really compete with the perennial question: “Are we alone?” The need to...
We have all seen Printed Circuit Board (PCB) antennas: those squiggly bits of traces on PCBs connected often to a...
It’s a skill that radio amateurs pick up over years but which it sometimes comes as a surprise to find...
Direction-finding, or fox hunting, is a popular activity in ham radio circles where a group of people armed with radios...