We’ve all done it at some time — made an electrical connection by twisting together the bare ends of some...
3D printing
You’ve got a laser cutter. You’ve got a 3D printer. What do you make? suggests a telescope. The modest instrument...
Zoe Rodriguez, a teacher at the Raymond School in Franksville, Wisconsin — near Milwaukee — has been named the 2025...
When we were kids, it was a rite of passage to read the newly arrived Edmund catalog and dream of...
Sick of raiding old TVs and CRT monitors for flyback transformers to feed your high-voltage addiction? Never fear; if you’re...
If you build electronics, you will eventually need a coil. If you spend any time winding one, you are almost...
You don’t see them as often as you used to, but it used to be common to see “electronics trainers”...
Bears! Are they scared of massive arcs that rip through the air, making a lot of noise in the process?...
If you made something blink, and now it’s time for you to make something move, something like a point-to-a-satellite tracker...
In a recent news bulletin, AMSAT encouraged amateur radio clubs to focus on Makers as a recruiting source for new...
In this edition: * India Launches SpaDeX Satellites with Amateur Radio Experiment * Parker Solar Probe Achieves Closest-Ever Approach to...
Ham radio enthusiasts, people looking to borrow their neighbors’ WiFi, and those interested in decoding signals from things like weather...
Playing Star Wars Outlaws sparked an idea with : why not recreate the game’s wrist communicator as a functioning gadget?...
It’s perhaps not fair, but even if you have the best idea for a compelling video, few things will make...
We don’t know much more than what we see with ’s battery loader design (video embedded below) but it just...
Applying solder paste to a new custom PCB is always a little nerve-racking. One slip of the hand, and you...
Sometimes, it’s nice to know how windy it is outside. Knowing the direction of the wind can be a plus,...
We’ve all heard stories of the dangers of 3D printing, with fires from runaway hot ends or dodgy heated build...
Old radios often had selenium rectifiers to convert AC to DC. The problem is that the old units, dating back...
Researchers at MIT have unexpectedly stumbled upon a way to 3D print active electronics – meaning transistors and components for...
A lot of hams like to carry a VHF radio. Of course, nearly everyone wants to carry a phone. Now,...
After previously working out a suitable approach to create a period-correct paper tape reader for his tube-based, MC14500B processor-inspired computer,...
With as cheap and versatile as RTL-SDR devices are, it’s a good idea to have a couple of them on...
Your shiny new personal electronic device is likely to be designed solely as an app platform to run the products...
The printed breadboard cover as seen from the bottom. (Credit: CHEP, YouTube) Does it make sense to make your own...
