Collaborate Disseminate
It probably comes as little surprise that our planet is practically buzzing with radio waves. Most of it is of our own making, with cell phones, microwaves, WiFi, and broadcasts …read more Continue reading Homebrew Sferics Receiver Lets You Tune Into Earth Music
We’ve always been fascinated by things that perform complex electronic functions merely by virtue of their shapes. Waveguides come to mind, but so do active elements like filters made from …read more Continue reading Making PCB Strip Filter Design Easy to Understand
Seeing the unseen is one of the great things about using an infrared (IR) camera, and even the cheap-ish ones that plug into a smartphone can dramatically improve your hardware …read more Continue reading Lock-In Thermography on a Cheap IR Camera
Problem solved? If the problem is supplying enough lithium to build batteries for all the electric vehicles that will be needed by 2030, then a new lithium deposit in Arkansas …read more Continue reading Hackaday Links: October 27, 2024
Usually when we present a project on these pages, it’s pretty cut and dried — here’s what was done, these are the technologies used, this was the result. But sometimes …read more Continue reading A Brand-New Additive PCB Fab Technique?
From the earliest days of warfare, it’s never been enough to be able to build a deadlier weapon than your enemy can. Making a sharper spear, an arrow that flies …read more Continue reading Retrotechtacular: Making Enough Merlins to Win a War
For those of us devoted to keeping an older vehicle on the road, the struggle is real. We know that at some point, a part will go bad and we’ll …read more Continue reading Simple PCB Repairs Keep Old Vehicle Out of the Crusher
What does it take to make decent tires for your projects? According to this 3D printed tire torture test, it’s actually pretty easy — it’s more a question of how …read more Continue reading 3D Printed Tires, by the Numbers
In general, the simpler a thing is, the better. That doesn’t appear to apply to engines, though, at least not how we’ve been building them. Pistons, cranks, valves, and seals, …read more Continue reading A Wobble Disk Air Motor with One Moving Part
When all else fails, there’s radio. Hurricane Helene’s path of destruction through Appalachia stripped away every shred of modern infrastructure in some areas, leaving millions of residents with no ability …read more Continue reading Hackaday Links: October 20, 2024