What’s the quickest way to turn one game into 2,400? Cram a Raspberry Pi Zero running RetroPie into an NES cartridge and call it Pi Cart. This elegant little build requires no soldering &#821…

With so many systems depending on Linux, the secure shell SSH has become a staple for many developers. If you are connected to your Raspberry Pi via a cable or a wireless router a few feet away, SS…

Researchers have built a prototype lithium-sulphur battery that -- when perfected -- could have up to five times the energy density of current lithium-ion devices. Researchers in the UK and China dre...

What to do with your broken gaming consoles? Gut it and turn it into a different gaming console! Sudomod forum user [banjokazooie] has concocted his own RetroPie console from the husk of a WiiU con…

While it may or may not be true that if everybody had an ocean they'd be surfing like California, it is true that with a water pump, some copper tape, and a few scraps you can make a surfing simulator...

Parabolic reflectors for solar applications are nice stuff, and making your own is a great project in itself. One of the easiest ways we have seen is that of [GREENPOWERSCIENCE], who uses nothing m…

[Gal Pavlin] admits to enjoying the occasional dance music show. For those who have never been to one, LED one-upmanship at these shows is a real and terrible thing, so much so that an entire marke…

The 1970s called and they want their rotary dial cell phone back. Looking for all the world like something assembled from the Radio Shack parts department – remember when Radio Shack sold par…

We know what it's like to wait for newly released electronic parts. Clicking refresh every day at your favorite online retailers, reading reviews published by the press who got preview units, and mayb...

Most inexpensive 3D printers use a type of lead screw to move some part of the printer in the vertical direction. A motor turns a threaded rod and that causes a nut to go up or down. The printer pa…

When you want a person to do something, you train them. When you want a computer to do something, you program it. However, there are ways to make computers learn, at least in some situations. One t…

If you look around the street furniture of your city, you may notice some ingenious attempts to disguise cell towers. There are fake trees, lamp posts with bulges, and plenty you won't even be aware o...

We're not sure if [Stefan Gotteswinter] ever makes anything but tools to make more tools in his shop. This nice set of toolmaker's magnets are no exception to the trend.

We can gather that [Stefan]...

Making a clock with a common microcontroller like an Arduino isn't very difficult. However, if you've tried it, you probably discovered that keeping track of wall time is difficult without some exter...

In my opinion, the best projects in the Hackaday Prize are the weirdest. Building a computer from sand is an admirable goal, and polar coordinate 3D printers are awesome. These projects obviously have...

One facet of the diverse pursuit that is amateur radio involves the use of amateur radio satellites. These have a long history stretching back to the years shortly after the first space launches, a…

[Ryzee119]’s GBA might not look so different at first glance. The screen is way better than you remember, but that may just be your memory playing tricks on you. The sound comes out of the sp…

The Economist is an interesting publication, a British weekly newspaper that looks for all the world like a magazine, and contains pithy insights into world politics and economic movements. It's one...

It has been quite a ride this year, watching entries pour in during the five challenges of the 2016 Hackaday Prize. Our yearly engineering initiative is designed to focus the skill, experience, and cr...

Comedian Mitch Hedberg had a theory about Pringles potato chips. His theory is the company formed to make tennis balls. But instead of a truckload of rubber, someone accidentally sent them potatoes, s...

The NASA workmanship standards are absolutely beautiful. I mean that in the fullest extent of the word. If I had any say in the art that goes up in the Louvre, I’d put them up right beside Mo…