Most crystal radio receivers have a decidedly “field expedient” look to them. Fashioned as they often are from a few...
Hackaday
84 years ago, a teenager built a TV set in a basement in Hammond, Indiana. The teen was a radio...
We ran an article this week about RS-485, a noise resistant differential serial multidrop bus architecture. (Tell me where else you’re...
Hi, my name is Dan and I’m a crimpoholic. Honestly, I didn’t know I was a serial abuser of crimping...
decided to build a wideband SDR – for satellite communication research and monitoring, you know, the usual. He decided on a battery...
Back in the day, just about everything that used a battery had a hatch or a hutch that you could...
If there’s one thing that amateur radio operators are good at, it’s turning just about anything into an antenna. And...
It’s a problem we all have at one time or another: your five-meter radio astronomy dish gets out of calibration...
While Internet based streaming services appear to be the future of television, there are still plenty of places where it...
Cross-pollination between different activities and industries can yield some pretty useful techniques or product combinations, and shares some details on using...
An abiding memory for a teen fascinated by electronics and radio in the 1970s and 1980s is the proliferation of...
There’s one component which used to be ubiquitous in every experimenter’s junk box, but nowadays unless you happen to be...
We will assume you’ve seen The Matrix — it was from 1999, after all. The surprise, at the end, was...
We’ve said it before and we’ll say it again: the best part about holding an amateur radio license is that...
The airwaves are full of news from the battle in Ukraine, with TV and radio journalists providing coverage at all...
In any given field there are epoch-defining moments, those events after which nothing was quite the same as it had...
Depending on what you build, you may or may not run into a lot of inductors. If you need small...
Along with many other natural phenomena, lightning is probably familiar to most. Between its intense noise and visuals, there is...
It used to be that having technical skills meant that fixing the computer problems of elderly relatives was a regular...
Millimeter-wave Radars used in modern cars for cruise control and collision avoidance are usually designed to work at ranges on...
We’ve gotten used to the GPIO-available functions of Raspberry Pi computers remaining largely the same over the years, which is...
How do you look back over your life and divide it up? Maybe by decades, cultural moments, or geopolitical events....
We all know that you can convert heat into electricity. Usually, you do that with some form of steam, but...
If you read old antenna books, you’ll probably see the idea of phased vertical antennas. These use certain lengths of...
You no doubt recall the incredible Apollo Guidance Computer (AGC) reverse engineering and restoration project featured on the CuriousMarc YouTube channel a...