When it’s time to put together the annual Christmas card, most families take a few pictures of the kids, slap on a generic greeting, and call it a day. It used to be fairly common for the who…

Hey, did you know Hackaday is starting an Open Access, peer-reviewed journal? The Hackaday Journal of What You Don’t Know (HJWYDK) is looking for submissions detailing the tools, techniques, …

The Hexbright was a Kickstarter project from a few years ago, to create an open source, rechargeable LED light. [Nick] quite likes them, and has learned a thing or two about keeping them operationa…

Before cell phones, pagers were the way to communicate on the go. At first, they were almost a status symbol. Eventually, they became the mark of someone who couldn’t or wouldn’t carry …

There’s no beating the beauty and durability of a high-quality powder-coated part. There’s just something about the look and feel of the finish that goes far beyond mere painting and ma…

Can you run an electric motor for two years on a single lithium coin cell? [IamWe] figured out how to do it, and even though his donut motor doesn’t look like any motor we’ve ever seen …

Ah, Christmas, the time of festive good cheer, cherubic carol-singers standing in the crunchy snow, church bells ringing out across the frozen landscape, Santa Claus in his red suit flying down the…

[Nothorwitzer] built a pretty incredible Rubik’s Cube table with hidden storage. The coolest feature of this table is the way it opens. Twisting the top section of the cube causes two drawers…

[Elon Musk] recently staged one of his characteristic high-profile product launches, at which he unveiled a new Tesla electric semi-truck. It was long on promise and short on battery pack weight fi…

After swapping the engine out in his scooter, [James Stanley] made an unfortunate discovery. The speedometer was digitally controlled, and while the original engine had a sensor which would generat…

Few things are as frustrating as a WiFi signal that drops in and out. On a public network it is bad enough but at home? Even if you can live with it, your cohabitants will certainly impune your tec…

Most of us would probably like to have an arcade cabinet at home, but it’s hard to justify the space they take up. Sure it’s an awesome conversation starter when friends are over, and y…

There’s an old saying, that in theory there’s no difference between theory and practice, but in practice there is. That sentiment could easily be applied to refitting a 3D printer to ho…

Servers are most often found in climate controlled data centers. This means they aren’t exactly built for creature comforts like quiet operation. Quite the contrary — many server chassi…

Although we tend to think of 3D printers as high-tech toys, most of them are not especially powerful in the brain department. There are some exceptions, but most 3D printers run on either an 8-bit …

It’s a highly personal facet of the eating experience, the choice of topping applied to your frozen dessert. Everybody has their own preferences when it comes to whipped cream, sprinkles, and…

With apologies to Clement Clarke Moore, Richard Stallman, and the English-speaking world in general — ed. ‘Twas the night before Christmas While up in my bed, I stared at the ceiling Wi…

Some of the entries for the 2017 Coin Cell Challenge have already redefined what most would have considered possible just a month ago. From starting cars to welding metal, coin cells are being push…

TL;DR — Don’t use silicone to pot electronics. That’s the conclusion [GreatScott!] comes to after trying out several methods for waterproofing electronics. His efforts stem from a…

Desiring a bedside lamp with a remote control, [Peadar]’s wife bought a Xiaomi Yeelight, an LED model with an accompanying Android app. And since he’s a security researcher by trade, he…