Hackaday.com

Most of the time FDM 3D printing involves laying down layers of thermoplastics, but the layer lines also form the biggest weakness with parts produced this way. Being able to …read more

If you think you can’t do investment casting because you don’t have a safe place to melt metal, think again. Metal casting in the kitchen is possible, as demonstrated by …read more

It is easy to take things for granted, but if you work with students, you realize that even something as simple as a breadboard needs explanation. [0033mer] recently shared a …read more

At Hackaday, the projects we cover are generally a one-off sort of thing. Somebody makes something, they post it online, we share it with our audience — rinse and repeat. …read more

As a professional writer, I rack up thousands of words a day. Too many in fact, to the point where it hurts my brain. To ease this burden, I choose …read more

[Wendy] asked a very good question. Could putting liquid resin into an ultrasonic cleaner help degas it? Would it help remove bubbles, resulting in a cleaner pour and nicer end …read more

Last time, I gave a whirlwind introduction to a very small slice of systemd. If you aren’t comfortable with systemd services, timers, and mounts, you might want to read that …read more

For as much capacity lithium-ion batteries have, their useful lifespan is generally measured in the hundreds of cycles. This degradation is caused by the electrodes themselves degrading, including the graphite …read more

Thanks to the newly released Amazon Prime series, not to mention nearly 30 years as a wildly successful gaming franchise, Fallout is very much in the zeitgeist these days. But …read more

The usual way to put a durable threaded interface into a 3D print is to use a heat-set insert, but what about other options? [Thomas Sanladerer] evaluates a variety of …read more

Back in the 1990s, you could get a tape player shaped like a can of Coca Cola. [Simon the Magpie] scored one of these decks and decided to turn it …read more

The Compaq Portable III hails from the 386 era — in the days before the laptop form factor was what we know today. It’s got a bit of an odd …read more

If you have a well-equipped shop, it isn’t unusual to have a welder. Stick welders have become a commodity and even some that use shield gas are cheap if you …read more

The cassette is one of the coolest music formats ever, in that you could chuck them about with abandon and they’d usually still work. [Chris Borge] recently decided to see …read more

Last time, we looked into using a logic analyzer to decode SPI signals of LCD displays, which can help us reuse LCD screens from proprietary systems, or port LCD driver …read more

The T-800, also known as the Terminator, was like some kind of non-giving up robot guy. The robot assassin viewed the world through a tinted view with lines of code …read more

There are probably very few people on this globe who at some point in time haven’t heard the term ‘Higgs Boson’  zip past, along with the term ‘God Particle’. As …read more

Mobile devices have become notorious for their unrepairability, with glued-together parts and impossible-to-reach connectors. So it’s refreshing to see something new in that field from the e-book reader brand Kobo …read more

We always enjoy [Kerry Wong’s] insightful teardowns, and recently, he opened up a UTG1042X arbitrary waveform generator. Getting inside was a bit of a challenge since there were no visible …read more

No one loves a useless robot more than we do here at Hackaday. But if anyone does it might be [ARC385] with her Bug Bite Bot. A true engineering marvel, …read more