The world is dealing with a serious refugee crisis, and with that comes a problem: finding people. The Refugee Reuniter, a project entered into this year's Hackaday Prize, is a possible solution to th...

[inches] wanted the power of a Raspberry Pi 3 in a form factor closer to the Pi Zero for a Game Boy mod. This led him to design a custom PCB to interface with one of the less popular items in the R…

USB chargers are everywhere and it is the responsibility of every hacker to use this commonly available device to its peak potential. [Septillion] and [Hugatry] have come up with a hack to manipula…

Just about anyone can make a simple LED cube. But what if you want to make a 1-meter cube using 512 LEDs? [Hari] wanted to do it, so he created two different kinds of LED boards using EasyEDA. Ther…

We are used to stories about reverse engineering integrated circuits, in these pages. Some fascinating exposés of classic chips have been produced by people such as the ever-hard-working [Ken Shirrif...

[SethBling] has released a Super Mario World jailbreak that allows players to install a hex editor, then write, install and run their own game mods. What’s more is this all works on unmodifie…

Fluorescence microscopy is an optical technique that incorporates fluorescence or phosphorescence (as opposed to reflection and absorption) in order to study the properties of organic and inorganic su...

A big problem with restoring old arcade or pinball machines is finding original parts to get them running again. That's part of the fun, though; when something finally works after weeks or months of e...

We've seen the 3D phone fad come and go, with devices like the Evo 3D, that used a parallax barrier to achieve autostereoscopy (that is, 3D viewing without glasses). These displays aren't holograms, t...

All over the world, in particular in underdeveloped countries, people die every year by the thousands because of floods. The sudden rise of water levels often come unannounced and people have no time ...

Homebrew computers are the ‘in thing’ these days and the Zilog Z80 is the most popular choice for making one on your own. We have seen some pretty awesome builds but [Martin K]’s …

This will be an experience shared by all 3D printer owners; a long print is mostly done, and something goes wrong. Result: most of the print and a heap of plastic vermicelli, or worse still, a print w...

Not only has [Joop Brokking] built an easy to make balancing robot but he’s produced an excellent set of plans and software for anyone else who wants to make one too. Self-balancers are a mil…

"Measure twice, cut once" is great advice in every aspect of fabrication, but perhaps nowhere is it more important than when building a CNC machine. When precision is the name of the game, you need m...

Sometimes when you need something, there is a cheap and easily obtainable product that almost fits the bill. Keyword: almost. [Micah Elizabeth Scott], also known as [scanlime], is creating a hovering ...

For some car enthusiasts whose passions run towards older vehicles, only originality will do. [RetroJDM] for instance has an RA28 Toyota Celica from the mid 1970s for which he has gone to great len…

A few months ago we reported on a case coming before the United States Supreme Court that concerned recycled printer cartridges. Battling it out were Impression Products, a printer cartridge recycling...

Quick question: what was the first personal computer? We love pointless arguments over technological history, so let's just go down the list. It wasn't an IBM, and the guy who invented the personal c...

It seems like the multimeter is never easy to see during a project. Whether it’s troubleshooting a vehicle’s electrical system and awkwardly balancing the meter on some vacuum lines and…

Do you live in an area where you (or your car) are locked in by a gate? If so, you may know how [Alexander Else] feels about letting his guests in and out constantly with a remote control — i…