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[CovaConcepts], who has a background in motorsports, has been busy designing an unconventional radio-controlled watercraft she calls the HydraJet. There are two key design decisions that make the HydraJet what …read more

This week, the hackerverse was full of “vibe coding”. If you’re not caught up on your AI buzzwords, this is the catchy name coined by [Andrej Karpathy] that refers to …read more

Will a 486 run Crysis? No, of course not. Will it run a large language model (LLM)? Given the huge buildout of compute power to do just that, many people …read more

While ham radio operators have been embracing digital mobile radio (DMR), the equipment is most often bought since — at least in early incarnations — it needs a proprietary CODEC …read more

Back in the olden days, there existed physical game stores, which in addition to physical games would also have kiosks where you could try out the current game consoles and …read more

Although we tend to see mostly the glorious and fun parts of hanging out in a space station, the human body will not cease to do its usual things, whether …read more

How far can you stretch a measuring tape before it buckles? The answer probably depends more on the tape than the user, but it does show how sturdy the coiled …read more

Although there are plenty of methods for effectively imaging a 3D space, LiDAR is widely regarded as one of the most effective methods. These systems use a rapid succession of …read more

You have to admire the lengths designers went to back in the day to create engaging games and toys. One particularly clever game of this type was called GEE-WIZ, a …read more

When Hackaday editors Elliot Williams and Al Williams need a break from writing posts, they hop on the podcast and talk about their favorite stories of the past week. Want …read more

It can be jarring to see various sensors, smart switches, cameras, and other technology in a house built in the 1930s, like [Chris]’s was. But he still wanted presence detection …read more

The sky is falling. Or more specifically, it was about to fall, according to the security community this week. The MITRE Corporation came within a hair’s breadth of running out …read more

When is a crystal not a crystal? When it’s a quasi-crystal, a paradoxical form of metal recently found in some 3D printed metal alloys by [A.D. Iams et al] at …read more

This fun PCB from [Nick Brown] features a miniature railroad implemented with 0805-sized LEDs. With an eye towards designing his own fun interactive PCB badge, the Light-Rail began its journey. …read more

[Charmed Labs] are responsible for bringing numerous open-source hardware products to fruition over the years, and their latest device is an adorably small robotic camera platform called Goby, currently crowdfunding …read more

Running a dairy farm used to be a rather hands-on experience, with the farmer required to be around every few hours to milk the cows, feed them, do all the …read more

No doubt many readers have at times wished to try their hand at blacksmithing, but it’s fair to say that acquiring an anvil represents quite the hurdle. For anyone not …read more

How it started: a simple repair job on a Roland drum machine. How it ended: a scratch-built FM drum synth module that’s completely analog, and completely cool. [Moritz Klein]’s journey …read more

If you’ve spent any time on two wheels, you’ve certainly experienced the woes of poor bicycle shifting. You hit the button or twist the knob expecting a smooth transition into …read more

If you had to guess, what do you think it would take to build an ocean-going buoy that could not only survive on its own without human intervention for more …read more