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Joined April 2008
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10.8KMedia
Visualize Regular Expressions with Marbles ift.tt/Qzo3Ldn

Visualize Regular Expressions With Marbles

If you are one of those people who visualize things physically better than in the abstract, then Regex Marble Run by [bottomless] might be for you. You enter a test expression and a string, and the…

hackaday.com
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Birduino Plays Bird Calls on Demand with NFC-enabled Cards ift.tt/VnaZ6Id

Birduino Plays Bird Calls On Demand With NFC-enabled Cards

All [Hannah Robertson]’s Birduino needs is for one to tap an NFC-enabled card to the reader, and the device plays one of the vocalizations associated with the bird shown on the card. It ties …

hackaday.com
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Making Photovoltaic Solar Cells with a Microwave ift.tt/LtkgW4I

Making Photovoltaic Solar Cells With A Microwave

Although solar panels may seem like a kind of magic, they’re really quite simple devices, in their silicon form featuring nothing but the p-type silicon wafer and an n-type layer doped with e…

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An RV on a Bike ift.tt/01pvjqs

An RV On A Bike

Bicycles are the ultimate form of transportation freedom. They’re easy to repair, parts are cheap, and they will travel almost anywhere for free, as long as the rider has enough calories. The…

hackaday.com
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2,554
Meshtastic Sniffer for DragonOS ift.tt/8oPxdcY

Meshtastic Sniffer For DragonOS

Meshtastic has gained a lot of popularity over the last few years thanks to its low barrier of entry. No licenses are needed and the hardware is dirt cheap, at least when compared to a lot of ham r…

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An Open Micro-Maniplulator Improved ift.tt/lzKgahn

An Open Micro-Maniplulator Improved

If you need a micro-manipulator, you probably already have a good idea of what it does. For example, you might be moving a probe over an IC die or wafer. You might be looking at something through a…

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One-stop Tool Shows Apple Intelligence The Door ift.tt/0XMR5Qj

One-stop Tool Shows Apple Intelligence The Door

Don’t want AI features on your Mac? Tough luck, unless one wants to imperfectly do it by hunting down settings in about a dozen different places. Even then, the multi-gigabyte models stay on …

hackaday.com
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Charlotte’s New Runway Gets A Digital Twin ift.tt/frNBvkP

Charlotte’s New Runway Gets A Digital Twin

The first viable powered aircraft predated the first proper runway by two decades. While it’s entirely possible to launch some planes from austere dirt or grass strips, the aviation world eve…

hackaday.com
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2,853
An LCR Meter with Compromises ift.tt/5wzJpIF

An LCR Meter With Compromises

YouTube, like the Internet, has its plusses and minuses. On the plus side, you can find information on just about anything. On the minus side, you don’t always know if that information is of …

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Driving On the Moon at a Blistering 11.6 MPH ift.tt/Vj5wAFk

Driving On The Moon At A Blistering 11.6 MPH

As NASA continues humanity’s slow march back to the Moon, different pieces of the puzzle of establishing a more permanent base there are falling into place. One of these pieces is the the Lun…

hackaday.com
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Thunderbolt Strikes Windows98 ift.tt/Pv7CosT

Thunderbolt Strikes Windows98

If there’s one thing everyone hated about Windows 98, was the lack of USB4.0 support. We remember vividly the cries of anguish at the launch party when we found out that 21 years in the futur…

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Hackaday Links: October 17, 2026 ift.tt/O6NXZYn

Hackaday Links: October 17, 2026

While Hackaday doesn’t maintain a crime blotter, we couldn’t help but start this week’s post off with a bit of civil disobedience — a retired professor from the University o…

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Off-Grid Refrigeration Using Fire and Salt ift.tt/qr3DdUR

Off-Grid Refrigeration Using Fire And Salt

Refrigeration has been a challenge for humanity since the start. Ancient civilizations in dry climates like Persia and Egypt could use evaporative cooling on a large scale with specialized architec…

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The New Phobos Martian Moon Rover that Weighs in at Only 15 Grams ift.tt/D2PERHV

The New Phobos Martian Moon Rover That Weighs In At Only 15 Grams

Although for many decades the planet Mars has been prodded, poked, driven upon, flown over and especially orbited by various spacecraft, landers and rovers sent over by a certain humanoid species o…

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Building a Microscope with a 3D View ift.tt/qrbptjC

Building A Microscope With A 3D View

As electronic components grow ever smaller, a microscope has become an increasingly indispensable tool for any fine work; when inspecting electronics, though, especially solder joints, [Corebb] fou…

hackaday.com
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8,544
A Plasma Donut ift.tt/6unMOta

A Plasma Donut

We know [The Action Lab] always has something hands-on. This time, the video shows a toroidal plasma demo and how it relates to nuclear fusion. Plasma has a high temperature, and if you use physica…

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Evolving RC circuits ift.tt/ZJXW7z2

Evolving RC Circuits

We are surrounded by evolving algorithms and AI models, and it feels like we have to evolve to them as well. Of course, the world itself is always evolving, and when we have to implement filtering …

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Turning a Wi-Fi Adapter into an SDR ift.tt/UGzKNPa

Turning A Wi-Fi Adapter Into An SDR

Since the discovery of an undocumented I/Q sampling feature in ESP32 chips about two weeks ago, there’s been a flood of similar features being found in other wireless chips, including LoRa and Wi-F…

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Making a New Mechanism for a Reciprocating Pencil Sharpener ift.tt/C2TxDQV

Making A New Mechanism For A Reciprocating Pencil Sharpener

An engineer’s greatest tool is the writing utensil. Be it pen or pencil, we use them for everything from making diagrams to marking out cuts. But as with any practitioner of an art, we can te…

hackaday.com
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Busting the Myth that Plastics are Chemically Inert in Water ift.tt/KXE5a7F

Busting The Myth That Plastics Are Chemically Inert In Water

One of the often made claims about plastics is that they are chemically inert under most conditions, such as when exposed to water. This long-held belief has also challenged the notion that micro- …

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