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Generally the idea with photopolymers as used with resin 3D printing is that the process only works in a single direction as with all thermosets: after polymerization under influence of …read more

There are a million and one cheap OLED display modules out there. Only, the problem is, they’re all assembled on bare PCBs and they’re all slightly different, and that frustrates …read more

Do you have a ZKETECH EBC-A20 battery tester? Perhaps you don’t like the default software used to control the device. In that case, you might like the alternative whipped up …read more

Holographic displays sound very fancy but you can build various simple types yourself at home. [Julius Makes] whipped up a neat design that shows a different image depending on the …read more

Billions of people use GPS on a daily basis, along with the various other satellite navigation systems available today. But few of us spend much time contemplating the fleet of …read more

There was a particularly tense moment aboard the International Space Station earlier this month, with NASA directing their astronauts to secure themselves in the Dragon capsule and prepare for a …read more

Whatever happens with the new incarnation of the Commodore corporation, we’ll always remember the old one fondly. Well, we’ll remember certain of its products fondly, at any rate, if not …read more

For some time now [Tobi Friedly] has been tinkering away at porting the original Super Mario 64 from the Nintendo 64 to just about any device imaginable. One of these …read more

The word “restomod” is a bit nebulous, but it’s normally used in the automotive world to describe taking an old car and making it better-than-new with all the technological improvements …read more

There always seem to be a handful of revolutionary technologies perpetually out of reach: fusion energy, quantum computers, and full self-driving cars are always in this list, and it seems …read more

[Brandon Lai] is hoping to build a humanoid robot. To that end, he’s going to need some actuators, and decided to design his own. His second pass at this turned …read more

Audiophiles all know everything sounds better fed through vacuum tubes, but did you know visualizers look better with them, too? That’s what we’re forced to conclude looking at the Tachyscope …read more

This week Jonathan chats with Florian Gilcher about Rust and Ferrous Systems! How have we gotten here, what’s coming next, and what’s new in the Rust world? Watch to find …read more

If you need to store some data on a resource-constrained embedded platform, the prospect of dragging in a dependency for something like FAT filesystem access to flash or other storage …read more

Knowing absolutely nothing about you other than the fact that you’re currently reading Hackaday, I can predict with a high degree of certainty that we’re both fond of at least …read more

The Carrington Event was the most intense geomagnetic storm ever recorded. In September 1859, auroras were visible as close to the equator as Columbia and some telegraph stations were severely …read more

As simple of a concept flow batteries are, the used chemicals can still be somewhat problematic in the context of a school experiment. To this end [Markus Bindhammer] decided to …read more

Ever since the early web, people have been streaming video with inexpensive webcams, and since the advent of the Raspberry Pi and its dedicated camera slot we’ve really seen how …read more

If you’ve ever taken a close look at a vacuum tube, you’ll have seen the seals around the pins that keep everything air-tight while providing the the device’s electrical contacts. …read more

Let’s stop for a moment and pause to consider the smart bulb. Imagine going back 20 years and telling yourself that people will be putting computers capable of acting as …read more