Never underestimate the power of an incompressible fluid at high pressure. Properly constrained and with a full understanding of the forces involved, hydraulic pressure can be harnessed to do some …

The mechanical and electronic parts of a 3D printer are critical for success, but so is the slicing software. Slic3r and Cura are arguably the most popular, and how they command your printer has a …

We see more than our fair share of nixie clocks here at Hackaday, and it’s nice to encounter one that packs some clever features. [VGC] designed his nixie tube clock to use minimal energy to operat…

Are you reading this on a machine running a GNU/Linux distribution? A Windows machine? Or perhaps an Apple OS? It doesn’t really matter, because your computer is probably running MINIX anyway…

Arriving home to a dark house with an armful of anything is usually an exercise in fumbling confusion until someone manages to turn on a light. [Pavel Gesyuk] has circumvented this problem entirely…

Search for “bowl feeder” on Hackaday and you’ll get nothing but automated cat and dog feeders. That’s a shame, because as cool as keeping your pets fed is, vibratory bowl fe…

If you’ve always wanted to build your own pinball machine but have no idea where to start, this is the project for you. [Chris] is in the process of building a 3/4 size pinball table and is c…

3D printing is great for prototyping, and not bad for limited runs of parts. Unfortunately though it really doesn’t scale well beyond a few pieces, so when you’re ready for the mass mar…

In an age of ultra-powerful GPUs and cheap processors, computational techniques which were once only available to those with a government-sized R&D budgets are now available to the everyday hac…

Basic geocaching consists of following GPS coordinates to a location, then finding a container which is concealed somewhere nearby. Like any activity, people tend to add their own twists to keep th…

The Open Source Underwater Glider has just been named the Grand Prize winner of the 2017 Hackaday Prize. As the top winner of the Hackaday Prize, the Open Source Underwater Glider will receive $50,…

[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…