3D Printing A Usable Airless Tire

For decades now, companies like Michelin have been teasing us with futuristic-looking automobile tires that don’t use air. Instead, they use a polymer mesh of sorts which maintains the same …read more

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Full Teardown of a 2026 Amazon Fire Stick HD

After the release of Google’s Chromecast so-called ‘streaming sticks’ have remained a popular form factor, even though such technology is these days part of ‘smart’ TVs. Being curious as to …read more

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Addressable LEDs Make Giant 16×2 Character Display

We’ve always taken a certain childlike joy in seeing tiny things made big, and big things tiny. Evidently [Uncle Stem] is the same way, if this 7x sized 16×2 “LCD” …read more

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FLOSS Weekly Episode 878: A Tool With Opinions

This week Jonathan chats with Jonathan Pallant about embedded Rust! Learn about the growing Rust driver library, the different ways to build a Rust stack on an embedded device, and …read more

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Know Your Food: Our Daily Bread

It’s time to return to our no-punches-pulled look at food manufacture, and this time we’re looking at the humble loaf of bread. As before, we’re approaching the subject with a …read more

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Reading a Thermocouple with Mercury and a Potentiometer

If you’ve ever thought about the nomenclature of electrical components, potentiometer stands out as a strange name, etymologically suggesting something like a voltmeter. In fact, the component took its name …read more

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Cell Broadcast: The Modern Emergency Alert System

Once upon a time, telephones were primarily point-to-point communications systems. There were options for three-way and conference calls out there, but by and large the plain old telephone system was …read more

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Polystyrene Foam can be Gasoline With Some Help

Styrofoam – or closed-cell extruded polystyrene (XPS) foam if you want to be precise – is one of those materials that is both super versatile for packaging and insulation, but …read more

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Tearing Down Aircraft Weather Radar Avionics

If you’re flying high in the sky, it’s useful to know if there’s turbulence, heavy rain, or other nasty weather ahead. Onboard weather radar is a useful tool that pilots …read more

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Strengthening 3D Prints with a Carbon-Fiber Epidermis

As strong and light as carbon fiber-epoxy composites are, the same can’t always be said of carbon-fiber reinforced 3D printer filaments. Of those that do improve over stock filament, the …read more

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At Last! CP/M for Protected Mode

If you used a serious computer pre-IBM PC, there was a fair chance its operating system was CP/M. CP/M was a staple among 8080 and Z80 computers and while there …read more

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BornHack Radio 102.8 FM, Playing Radio At A Hacker Camp

Over the years I have been to many hacker camps and done a lot of very cool things, but BornHack 2026 brought me something entirely new: Radio. By which I …read more

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Un Ordinateur Pour Le Minitel-1 (A Computer For The Minitel-1)

In the 1980s, France was the stage for one of the boldest public computing projects of the era. Minitel was the French take on viewdata, and instead of making it …read more

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Road Trains Roam The Backroads of Australia

Trains and the railways they run on are a great way to move lots of stuff, or lots of people, a long way. Steel wheels on steel rail can shift …read more

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Testing Hundreds of Used LFP Cells Requires Some Automation

Although Li-ion cells have become a lot cheaper over the years, if you wish to buy hundreds of high-quality ones for that performance go-kart project, you may feel financially pressured …read more

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Yellow YAG Produces Powerful Pulses in Les’ Leftover Laser

[Les] likes lasing lasers, and who doesn’t? [Les] likes larger lasers than lots of folks, with his current project being an Nd:YAG (that’s Neodymium:Yttrium Aluminum Garnet) flash pumped laser intended …read more

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Circuit Bending, But Make It MIDI

Circuit bending is a chaotic art. At its simplest, it can just involve making connections between random points on a circuit board to create weird sounds in musical hardware. Or, …read more

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Child-Friendly Music Player Uses RFID

[David] has a young child who is clever enough to use a computer to play music, but he doesn’t quite want to hand over the mouse just yet. Thus, he …read more

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Congratulations to the Frikkin Laser Winners!

Apparently you all love lasers just as much as we do. We put out a challenge to use, build, or otherwise abuse our favorite coherent light sources, and you responded. …read more

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New File Manager is C64’s Answer to Norton Commander

Norton was always a PC company — Norton Commander, the file manager that launched a thousand clones, was only ever available for DOS, like the rest of the company’s offerings …read more

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The 16K Display that Ate Las Vegas

You may have a 4K television. Perhaps you have even bought an 8K screen, despite the shortage of things worth watching in 8K. A 16K display is, today, a rarity. …read more

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Get a Remote Terminal With One Binary, One URL, and Zero Config

Launch a single static binary executable, send someone a QR code or URL (or failing that, text a numerical code or shout it across a room), and they’ll get an …read more

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Spotting Emacs in the Wild

Emacs is one of the big classic text editors, right up there next to vi. It’s famous for its interface and its ubiquity across the *nix world. It’s such a …read more

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Making a Retro(ish) Game Console From Scratch

As easy as it is to make a late 1980s-style game console using a modern microcontroller, there’s arguably more fun in doing things the traditional way. This is the challenge …read more

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Easy Theremin Uses ESP32

The Theremin is that classic electronic musical instrument that makes those weeee-ohhhhh noises which were so popular in mid-century science fiction movies. Mid-last-century, that is, because this century is just …read more

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Hackaday Links: August 2, 2026

About a month ago, we brought you word that the commercial rescue mission designed by Katalyst Space to save NASA’s Swift gamma-ray observatory had reached orbit and early indicators were …read more

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An Automated Water Tank Controller

[Jumpor] lives in a part of India where the water infrastructure is a little frustrating to use. Water gets delivered to underground tanks outside of homes, and must then be …read more

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Turning Fruits Into Ethylene and Ethane Refrigerant

One of the best parts about DIY chemistry and physics projects is that you get to decide how early in the supply chain you want to begin, such as with …read more

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A KVM Without the V (Or the M)

Many of us will be used to the idea of a KVM, a device that pipes keyboard, video, and mouse over the network from a remote machine to your own. …read more

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Architectural LED Install Shows How To Do It With Style

Anyone can string up some LED string lights in a space with mixed results. However, if you want to create a lighting environment that’s classy and stylish, it takes a …read more

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