If you’re planning on working satellites or doing any sort of RF work where the signal lives down in the...
PCB
For those of us devoted to keeping an older vehicle on the road, the struggle is real. We know that...
Sometimes you need to create a satellite navigation tracking device that communicates via a low-power mesh network. was in just...
We’ve often heard you should do everything twice. The first time is to learn what you need to do, and...
Some time ago, while designing the PCB for the Sony Vaio replacement motherboard, I went on a quest to find...
If you need an amplifier, has some advice. Don’t design your own; grab cheap and tiny RF amplifier modules and...
The dulcet tones of a modem handshake may be a thing of the distant past for most of us, but...
When we think of assembling a PCB, we’re almost always thinking about solder. Whether in paste form or on the...
A lot of hams like to carry a VHF radio. Of course, nearly everyone wants to carry a phone. Now,...
A word of warning before watching this very cool video on soldering: it may make you greatly desire what appears...
The x86 CPU landscape of the 1980s and 1990s was competitive in a way that probably seems rather alien to...
Battery management is a tedious but necessary problem that becomes more of a hassle with lithium-ion technology. As we’re all...
The proliferation of microcontrollers has made it easier than ever to add some smarts to a project, but sometimes there...
Printed circuit boards are typically only something you’d find in a digital watch. However, as demonstrates, you can put them...
wanted to clone some model car raceway track and realised that by scanning the profile section of the track with...
wanted an Everything Presence Lite kite but found it was always out of stock. Therefore, he decided to create his...
When thinking of the first PCs, most of us might imagine something like the Apple I or the TRS-80. But...
Remember when dead batteries were something you’d just toss in the trash? Those days are long gone, thankfully, and rechargeable...
There are many forms of human interface device beyond the ubiquitous keyboard and mouse, but when it comes to fine-tuning...
When we first spotted the article about a one-transistor amateur radio transceiver, we were sure it was a misprint. We’ve seen...
OK, it’s official: the Quansheng UV-K5 is the king of hackable ham radios — especially now that a second version of...
Today is another board from a friend, , who wants to convert a Yaesu FRG7700 radio to USB-C PD power. It’s yet...
For Hamvention 2024, I am very happy to announce a limited availability of Beta CubeSatSim Kits! We will have some...
In the world of cheap amateur radio transceivers, the Quansheng UV-K5 can’t be beaten for hackability. But pretty much every...
I know I’ve mentioned this before, but on the off chance you’ve forgotten, I graduated from university in 1980. My...
