[GiorgiQ] needed a UV light to cure the etch resist on his printed circuit boards, and what better way to accomplish this than to build the perfect UV light box himself? The box consists of a custo…

There’s a fairly good chance you’ve never tried to embed electronics into a chunk of concrete. Truth be told, before this one arrived to us via the tip line, the thought had never even …

Most projects are built on abstractions. After all, few of us can create our own wire, our own transistors, or our own integrated circuits. A few months ago, [Julian Ilett] found a problem using th…

Testing DC supplies can be done in many ways, from connecting an actual load like a motor, to using a dummy load in the manner of a big resistor. [Jasper Sikken] is opening up his smart tester for …

Certamen is a special class of  high school quiz bowl tournament that’s focused solely on the classics. No, not Austen and Dickens, the actual classics. All the questions are about stuff like…

[Mitch] got interested in the S8 “data line locator” so he did the work to tear into its hardware and software. If you haven’t seen these, they appear to be a USB cable. However, …

This is not your normal Sunday links post. This is Superconference Sunday, and right now there are dozens of awesome projects floating around our conference in Pasadena. This links post will be mos…

If you have an Alexa, one of the best things you can buy to go with it is a Harmony Hub remote. Sure, you get a universal remote to control all your home theater equipment, but you’ll hardly …

Raspberry Pi laptops are not an uncommon sight, as many hardware enthusiasts have shoehorned the tiny board behind LCD panels into home-made cases. [Frank Adams] has created one of the best Pi lapt…

While the ESP8266 has made its way into virtually every situation where a low-cost WiFi solution is needed, it’s not known as being a low-power solution due to the amount of energy it takes t…

Where does your mind jump when you hear the mention of electroshock therapy? The use of electrical current to treat various medical conditions has a long and controversial history. Our fascination …

Those that work in front of a computer for a living spend most of the time making very little sound. Unless you’re a member of the clicky mechanical keyboard club, your working time is a low-…

As more and more drones hit the skies, we are beginning to encounter a modest number of problems that promise to balloon if ignored. 825,000 drones above a quarter-kilo in weight were sold in the U…

It’s easy to become obsessed with music, especially once you start playing. You want to make music everywhere you go, which is completely impractical. Don’t believe me? See how long you…

[Tim] was tired of using his lathe to turn round things. He decided to make a gaming die—something that’s iconically square—out of cylindrical scrap. As it turns out, this is possible to do o…

If you fly much or work in a loud office, you know that noise-canceling headphones can be a sanity saver. Wouldn’t it be nice if you could just have noise-canceling without the headphones? Ap…

It wasn’t long ago that you needed to know Morse code to be a ham radio operator. That requirement has gone in most places, but code is still useful and many hams use it, especially hams that…

It was reported, and Hackaday has now confirmed, that counterfeit Benchoff Bucks were being circulated at this weekend’s Hackaday Superconference. The fake bills were distinguishable by their…

Information about this one is still tricking in, so take it with a grain of salt, but security company [Bkav] is claiming they have defeated the Face ID system featured in Apple’s iPhone X. B…