Collaborate Disseminate
Using USB for powering devices is wonderful, as it frees us from a tangle of incompatible barrel & TRS connectors, not to mention a veritable gaggle of proprietary power connectors. …read more Continue reading Why USB-C Splitters Can Cause Magic Smoke Release
On paper, electricity behaves in easy-to-understand, predictable ways. That’s mostly because the wires on the page have zero resistance and the switching times are actually zero, whereas in real life …read more Continue reading Turning Down the Noise on SMPS
If you think sonic booms from supersonic aircraft are a nuisance, wait until the sky is full of planes propelled by up-scaled versions of this interesting but deafening audio resonance …read more Continue reading Acoustic Engine Harnesses the Power of Sound
If you think sonic booms from supersonic aircraft are a nuisance, wait until the sky is full of planes propelled by up-scaled versions of this interesting but deafening audio resonance …read more Continue reading Acoustic Engine Harnesses the Power of Sound
How small can an electric motor be without resorting to manufacturing methods like lithography? In a recent video, [Chronova Engineering] on YouTube tries to replicate the 1960 McLellan motor that …read more Continue reading Building the Feynman Motor That Fits Through a Sewing Needle’s Eye
At Hackaday, we see community-driven open source development as the great equalizer. Whether it’s hardware or software — if there’s some megacorp out there trying to sell you something, you …read more Continue reading Setting the Stage for Open Source Sonar Development
Capacitive touch buttons are a great way to turn just about any (non-conductive) surface into a button, but people generally dislike the lack of tactile feedback. [KontinuumLab] apparently agreed and …read more Continue reading Silicone Tubing as Springs for Capacitive Touch Buttons
What do scanning electron microscopes and satellites have in common? On the face of things, not much, but after seeing [Zachary Tong]’s latest video on liquid metal ion thrusters, we …read more Continue reading Liquid Metal Ion Thrusters Aren’t Easy
[eigma] had a difficult problem. After pulling a TV out of the trash and bringing it home, it turned out it was suffering from a troubling boot loop issue that …read more Continue reading Saving a Samsung TV From the Dreaded Boot Loop
[Paul Junkin] bought a curious product off the Internet. It was supposed to generate electricity when hooked up to a running hose. Only, it didn’t do a very good job. …read more Continue reading Building a Generator That Runs Off Hose Power