Ask Hackaday: What’s a Sun-Like Star?

Is a bicycle like a motorcycle? Of course, the answer is it is and it isn’t. Saying something is “like” something else presupposes a lot of hidden assumptions. In the …read more
#hacking #projects
https://hackaday.com/2025/04/10/ask-hackaday-whats-a-sun-like-star/

Clever Engineering Leaves Appliance Useless

Around these parts, we generally celebrate clever hacks that let you do more with less. So if somebody wrote in to tell us how they used multiplexing to drive the …read more
#hacking #projects
https://hackaday.com/2025/04/10/clever-engineering-leaves-appliance-useless/

Everyone’s Talking GPMI, Should you?

The tech press has been full of announcements over the last day or two regarding GPMI. It’s a new standard with the backing of a range of Chinese hardware companies, …read more
#hacking #projects
https://hackaday.com/2025/04/10/everyones-talking-gpmi-should-you/

Making Liquid Oxygen: Far From Easy but Worth the Effort

Normally, videos over at The Signal Path channel on YouTube have a certain vibe, namely teardowns and deep dives into high-end test equipment for the microwave realm. And while we …read more
#hacking #projects
https://hackaday.com/2025/04/09/making-liquid-oxygen-far-from-easy-but-worth-the-effort/

Ask Hackaday: Vibe Coding

Vibe coding is the buzzword of the moment. What is it? The practice of writing software by describing the problem to an AI large language model and using the code …read more
#hacking #projects
https://hackaday.com/2025/04/09/ask-hackaday-vibe-coding/

Going to the Top with a Raspberry Pi Elevator

[BorisDigital] was mesmerised by a modern elevator. He decided to see how hard it would be to design his own elevator based on Raspberry Pis. He started out with a …read more
#hacking #projects
https://hackaday.com/2025/04/09/going-to-the-top-with-a-raspberry-pi-elevator/

FLOSS Weekly Episode 828: Incus Inception

This week, Jonathan Bennett and Rob Campbell talk to Stéphane Graber about LXC, Linux Containers, and Incus! Why did Incus fork from LXD, why are Fortune 500 companies embracing it, …read more
#hacking #projects
https://hackaday.com/2025/04/09/floss-weekly-episode-828-incus-inception/

Self-Hosting a Cluster on Old Phones

The phones most of us carry around in our pockets every day hold a surprising amount of computing power. It’s somewhat taken for granted now that we can get broadband …read more
#hacking #projects
https://hackaday.com/2025/04/09/self-hosting-a-cluster-on-old-phones/

You Shouldn’t Build an X-Ray Machine, But You Could

Ever wanted your own X-ray machine? Of course you have! Many of us were indoctrinated with enticing ads for X-ray specs and if you like to see what’s inside things, …read more
#hacking #projects
https://hackaday.com/2025/04/09/you-shouldnt-build-an-x-ray-machine-but-you-could/

In 2025, The Philly Maker Faire Finds Its Groove

The first Philadelphia Maker Faire was extremely impressive, and seemed poised to be one of the premier maker events on the East Coast. Unfortunately, it had the misfortune of happening …read more
#hacking #projects
https://hackaday.com/2025/04/09/in-2025-the-philly-maker-faire-finds-its-groove/

Forget Propellers, Embrace Tentacle-based Locomotion

Underwater robots face many challenges, not least of which is how to move around. ZodiAq is a prototype underwater soft robot (link is to research paper) that takes an unusual approach …read more
#hacking #projects
https://hackaday.com/2025/04/09/forget-propellers-embrace-tentacle-based-locomotion/

Better Bearings Take the Wobble Out of Premium Scroll Wheel

Sitting in front of a computer all day isn’t exactly what the firmware between our ears was tuned to do. We’re supposed to be hunting and gathering, not hunting and …read more
#hacking #projects
https://hackaday.com/2025/04/09/better-bearings-take-the-wobble-out-of-premium-scroll-wheel/

Salamander Robot is Squishy

If you want to get started in microfluidic robotics, [soiboi soft’s] salamander is probably too complex for a first project. But it is impressive, and we bet you’ll learn something …read more
#hacking #projects
https://hackaday.com/2025/04/08/salamander-robot-is-squishy/

Dozens of Solenoids Turn Vintage Typewriter into a Printer

An electric typewriter is a rare and wonderful thrift store find, and even better if it still works. Unfortunately, there’s not as much use for these electromechanical beauties, so if …read more
#hacking #projects
https://hackaday.com/2025/04/08/dozens-of-solenoids-turn-vintage-typewriter-into-a-printer/

ASCII to Mainframe

IBM mainframes are known for very unusual terminals. But IBM made many different things, including the IBM 3151 ASCII terminal, which uses a cartridge to emulate a VT220 terminal. [Norbert …read more
#hacking #projects
https://hackaday.com/2025/04/08/ascii-to-mainframe/

Designing A Tone Control Properly

Many years ago, audio equipment came with a tone control, a simple RC filter that would cut or boost the bass to taste. As time passed, this was split into …read more
#hacking #projects
https://hackaday.com/2025/04/08/designing-a-tone-control-properly/

The Computers of EPCOT

Even if you aren’t a Disney fan, you probably know about EPCOT — Experimental Prototype Community of Tomorrow — a Disney attraction that promised a glimpse of the future. [ErnieTech] …read more
#hacking #projects
https://hackaday.com/2025/04/08/the-computers-of-epcot/

FreeDOS 1.4 Released

Even in 2025 there are still many applications for a simple Disk Operating System (DOS), whether this includes running legacy software (including MS-DOS games & Windows 3.x), or (embedded) systems …read more
#hacking #projects
https://hackaday.com/2025/04/08/freedos-1-4-released/

Turning Old Cellphones into SBCs

[David] sent us a tip about a company in Belgium, Citronics, that is looking to turn old cellphones into single-board computers for embedded Linux applications. We think it’s a great …read more
#hacking #projects
https://hackaday.com/2025/04/08/turning-old-cellphones-into-sbcs/

LayerLapse Simplifies 3D Printer Time-lapse Shots

We know you’ve seen them: the time-lapses that show a 3D print coming together layer-by-layer without the extruder taking up half the frame. It takes a little extra work compared …read more
#hacking #projects
https://hackaday.com/2025/04/08/layerlapse-simplifies-3d-printer-time-lapse-shots/