Hackaday · 实时热榜

[Jan] of [Roetz 4.0] has a unique approach to multi-material 3D printing: he’s designed an extruder which takes two different materials and extrudes one as a shell around the other. …read more

If you’ve ever worked with produce, you might know about grading. In addition to deciding if, say, a strawberry is good or not, they also have to sort them by …read more

As someone who disassembles and repairs hardware, [Aad] eventually ended up with a huge collection of mixed bolts and screws. This led to creating the automatic bolt and screw sorting …read more

Avian Visitors is a lovely project by [Teddy Warner] that uses a Raspberry Pi and microphone to keep track of which birds have been visiting your home, and creates a …read more

We all have that bin in the corner of our shops — the one with all the circuit boards or broken electronics that we are totally gonna do something with. …read more

Paper as a substrate for electronic circuits is not very common, but promising for flexible circuits with low cost and easy recyclability. That said, paper is not an easy material …read more

For whatever reason, [Jeremy] wants to photograph bees in flight. This is one of those things that doesn’t seem that hard until you try to do it. He’s got the …read more

You’ve almost certainly heard of the Xerox Alto, the machine that pioneered the desktop-mouse-keyboard interface and inspired Steve Jobs to produce the Apple Lisa and Macintosh computers. It wasn’t just …read more

Transmitting analog video via photons is old hat: that’s how everything started, after all, back in the day with over-the-air TV. Up the frequency of those photons from radio to …read more

There was a particular treat at the recent Electromagnetic Field event in the UK, as [Tim Hunkin] delivered a talk on the history of arcade machines. Given that he’s something …read more

With a title like “Intel Just Matched Apple Silicon. Seriously.“, the latest video from [Jeff Geerling] makes some pretty bold claims. But as we’d expect from [Jeff], he’s got the …read more

[Leaded Solder] took on an interesting challenge. The BBC, apparently, produced a game console known as the BBC Bridge Companion that connected to your TV and helped you learn to …read more

If you’re water cooling a PC, it’s generally accepted that you need some interface between the coolant and the chips — a water block of copper or aluminum that carries …read more

Sandboxing a Linux process usually means spending a lot of effort deciding what it isn’t allowed to see. You might put it in a mount namespace, bind-mount a few directories …read more

Having a fully automated cotton candy vending machine in your possession is a great thing, but not if you do not have full access to its software. With [Block’s Retro …read more