Ideally, if you are going to transmit, you want a properly-tuned resonant antenna. But, sometimes, it isn’t practical. [Ham Radio Rookie] knew about random wire antennas but didn’t ...

When the project description starts with the sentence “I use an RC remote and receiver, an esp32, high-current motor drivers, ...

As we all know, when developing software for any platform or simply hacking a bit of code to probe how something works, the ...

Here’s a design for a split-flap clock that doesn’t do it the usual way. Instead of the flaps showing numbers , Klapklok has ...

Besides Pokémon, there might have been no greater media franchise for a child of the 90s than the Transformers, mysterious ...

We’ve been recently looking into USB 2.0 – the ubiquitous point-to-point communications standard. USB 2 is completely ...

What do you get when you put a one-meter parabolic dish, an SDR, a Raspberry Pi, and an H1-LNA for 21 cm emissions together?

Picture in your mind a big parking lot with 131 million cars on it. Now imagine that they are spread out over the entire ...

It was Supercon this weekend, and Hackaday staffers made their way to Pasadena for what was by all accounts an excellent ...

The regenerative radio is long-ago superseded in commercial receivers, but it remains a common project for electronics or ...

If you’re planning on working satellites or doing any sort of RF work where the signal lives down in the dirt, you’re going ...

It’s been nearly four years since the Arecibo Telescope collapsed, an event the world got to witness in unprecedented detail ...