Applying solder paste to a new custom PCB is always a little nerve-racking. One slip of the hand, and you...
3D printing
Sometimes, it’s nice to know how windy it is outside. Knowing the direction of the wind can be a plus,...
We’ve all heard stories of the dangers of 3D printing, with fires from runaway hot ends or dodgy heated build...
Old radios often had selenium rectifiers to convert AC to DC. The problem is that the old units, dating back...
Researchers at MIT have unexpectedly stumbled upon a way to 3D print active electronics – meaning transistors and components for...
A lot of hams like to carry a VHF radio. Of course, nearly everyone wants to carry a phone. Now,...
After previously working out a suitable approach to create a period-correct paper tape reader for his tube-based, MC14500B processor-inspired computer,...
With as cheap and versatile as RTL-SDR devices are, it’s a good idea to have a couple of them on...
Your shiny new personal electronic device is likely to be designed solely as an app platform to run the products...
The printed breadboard cover as seen from the bottom. (Credit: CHEP, YouTube) Does it make sense to make your own...
The proliferation of microcontrollers has made it easier than ever to add some smarts to a project, but sometimes there...
The 3DConnexion Space mouse is an interesting device but heavily patent-protected, of course. This seems to just egg people on...
wanted to clone some model car raceway track and realised that by scanning the profile section of the track with...
Permanent magnets aren’t typically switchable. They’re always doing their magnet thing. However, if you align them with a bunch of...
Since the very beginning, solid-propellants have been the cornerstone of amateur rocketry. From the little Estes rocket picked up from...
You’ve probably heard that a 3D printer is capable of producing its own replacement parts. Sometimes, that even includes upgraded...
In today’s value-engineered world, getting a decade of service out of a cordless tool is pretty impressive. By that point...
Battery news typically covers the latest, greatest laboratory or industry breakthroughs to push modern devices further and faster. Could you...
Time zones are a complicated but necessary evil. Humans like the numbers on the clock to vaguely match up with...
There are many forms of human interface device beyond the ubiquitous keyboard and mouse, but when it comes to fine-tuning...
Release Date: June 15, 2024 Here is a summary of the news trending This Week in Amateur Radio. This week's...
This is a 1-hour version of the weekly podcast for This Week in Amateur Radio. For the full version please...
You have an old radio — in the case of , a Stromberg Carlson — and it needs new knobs....
We’ll admit to not fully knowing what has planned for the pair of RTL-SDR Blog V4 software defined radios (SDRs)...
has been busy creating version two of a homebrew all-band ham radio transceiver. The unit has a number of features you...
