Collaborate Disseminate
There are many ways to build a radio receiver, but most have a few things in common, such as oscillators, tuned circuits, detectors, mixers, and amplifiers. Put those together in …read more Continue reading All-Band Receiver Lets You Listen to All the Radio at Once
How do you know that your patch cables are good? For simple jumper wires, a multimeter is about all you need to know for sure. But things can get weird …read more Continue reading Making Sure Your Patch Cables Are Ready for RF Work
Are your jellybeans getting stale? [lcamtuf] thinks so, and his guide to choosing op-amps makes a good case for rethinking what parts you should keep in stock. For readers of …read more Continue reading Rethinking Your Jellybean Op Amps
Good news this week from the Sun’s far side as the Parker Solar Probe checked in after its speedrun through our star’s corona. Parker became the fastest human-made object ever …read more Continue reading Hackaday Links: January 5, 2025
There’s a paradox in amateur radio: after all the time and effort spent getting a license and all the expense of getting some gear together, some new hams suddenly find …read more Continue reading Pi Pico Makes SSTV Reception a Snap
We’ve always found the various methods for adding text and graphics to 3D prints somewhat underwhelming. Embossed or debossed characters are fuzzy, at best, and multi-color printers always seem to …read more Continue reading Dress Up Your 3D Prints with Toner-Transfer Labels
If there’s anything more annoying to an amateur radio operator than noise, we’re not sure what it could be. We’re talking about radio frequency noise, of course, the random broadband …read more Continue reading Lowering Your Noise Floor, the Easy Way
A lot of the projects we feature here on Hackaday engender the classic “build versus buy” argument. We’ve always been puzzled by that; if anyone can appreciate the sheer joy …read more Continue reading Ball Nut Modification Charts a Middle Course Between Building and Buying
The early 1990s were an interesting time in the PC world, mainly because PCs were entering the zeitgeist for the first time. This was fueled in part by companies like …read more Continue reading A Die-Level Look at the Pentium FDIV Bug
This account of running DOOM on a PCB business card isn’t really about serving the “Will it DOOM?” meme of getting the classic game to run on improbable hardware. Rather, …read more Continue reading The Business Card of DOOM