If you own a handheld transceiver of any type then the chances are it will come with a “rubber duck”...
Product Review
Superlatives are tricky things. ’s guide “How to make Simplest ever Oscilloscope Clock” falls into that category. It’s that word,...
kv4p HT is an open-source hardware VHF or UHF radio designed to plug into the USB-C port of an Android...
Fnirsi is one of those brands that seem to pop up more and more often, usually for portable oscilloscopes and...
There are (probably) less than two dozen fundemental constants that define the physics of our universe. Determining the value of...
Shade is the mortal enemy of solar panels; even a little shade can cause a disproportionate drop in power output....
We’ve all seen those cheap bench power supply units (PSUs) for sale online, promising specifications that would cost at least...
In these days of everything-streaming, it’s great to see an old school radio build. It’s even better when it’s not...
Classic demos from the demoscene are all about showing off one’s technical prowess, with a common side order of a...
A desk companion that intercepts and plays encrypted radio communications—once popular during the Cold War era but still in use...
built one of those cheap automatic antenna tuners you see everywhere — this one scaled up to 350 watt capability....
Many decades ago, when soldering was an activity more often associted with copper fabrication than with electronics, a soldering iron...
When it comes to amateur radio, one size definitely does not fit all. That’s especially true with antennas, which need...
has a video in which a wide variety of AA cells are analyzed and compared in terms of capacity, internal...
There are many ways to build a radio receiver, but most have a few things in common, such as oscillators,...
Applying solder paste to a new custom PCB is always a little nerve-racking. One slip of the hand, and you...
Imagine this. A young person comes to you wanting to get started in the electronic hobby. They ask what five...
Occasionally, we find fun new electronic instruments in the wild and can’t resist sharing them with our readers. The item...
Sometimes you need to create a satellite navigation tracking device that communicates via a low-power mesh network. was in just...
If you’re passionate about signal processing and retro tech, you’ll want to check out the Createc SC 01, a quirky...
Need to do some real fine power consumption measurements? was in that exact situation, and wasn’t happy with the expensive...
The 19th Annual ARRL Online Auction sponsored by RT Systems Inc. opened on Friday, October 18, at 10 AM EDT....
A disclaimer: Not a single cable tie was harmed in the making of this backpack cyberdeck, and considering that we...
Like many people who solder regularly, I decided years ago to upgrade from a basic iron and invest in a...
Recently Raspberry Pi released the 2GB version of the Raspberry Pi 5 with a new BCM2712 SoC featuring the D0...
