Collaborate Disseminate
Hurricane season is rapidly approaching those of us who live in the northern hemisphere. While that does come with a good deal of stress for any homeowners who live in …read more Continue reading DIY Metal Detector Gives You The Mettle To Find Some Medals
Depending on what you build, you may or may not run into a lot of inductors. If you need small value coils, it is easy to make good-looking coils, and …read more Continue reading Winding Your Own Small Coils
Like many hackers, [Matthias Wandel] has a penchant for measuring the world around him, and quantifying the goings-on in his home is a bit of a hobby. And so when …read more Continue reading Using Homebrew Coils to Measure Mains Current, and Taking the Circuit Breaker Challenge
Have you ever found yourself suddenly in need of finding a small metal object hidden in the woods? No? Well, neither have we. But we can’t say the same thing …read more Continue reading Impromptu Metal Detector Built From the Junk Bin
We’ve grown to expect seeing mechatronics project incorporate a standard complement of components, things like stepper motors, Arduinos, lead screws, timing belts and pulleys, and aluminum extrusions. So when a …read more Continue reading Automatic Coil Winder Gets it Done with Simple Hardware and Software
For anyone that’s fiddled around with a magnifying glass, it’s pretty easy to understand how optical microscopes work. And as microscopes are just an elaboration on a simple hand lens, …read more Continue reading Macro Model Makes Atomic Force Microscopy Easier to Understand
Arguably, the most tedious part of any Tesla coil build is winding the transformer. Getting that fine wire wound onto a suitable form, making everything neat, and making sure it’s …read more Continue reading Flat Transformer Gives This PCB Tesla Coil Some Kick
Younger readers may not recall the days when every mall had a music store — not the kind where tapes and LPs were sold, but the kind where you could buy instruments. These places inevitably had an employee belting out …read more
Continue reading Tonewheels Warble in This Organ-Inspired Musical Instrument
It’s often said that any sufficiently advanced technology is indistinguishable from magic, and when a DIY device lets you light up fluorescent bulbs with a flick of the wrist, it’s certainly not hard to see why. The latest creation from …read more
Continue reading Handheld Slayer Exciter Wand Makes For Easy High Voltage Magic
It’s 2021, shouldn’t all of our devices be able to pull the power they need from the ether? [Sasa Karanovic] certainly thinks so, which is why he recently took it upon himself to add wireless charging capabilities to his desktop computer peripherals. The Qi transmitter and receiver modules are relatively …read more
Continue reading Custom Coil Lets Mouse Charge Without Wires