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A Mobile Terminal For The End Of The World
If civilization goes sideways and you need to survive, what are the bare essentials that should go in your bunker? Food and fresh water, sure. Maybe something to barter with in case things go full on...
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Cardboard Longboard Uses Quarter-Isogrid Structure
Skateboards are most typically crafted by hand, carved out of wood layered by care. However, many makers have sought to explore alternative techniques. [Technovation] decided to combine alternative...
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Superconference Interview: Sam Zeloof
In less than four days, the fifth Hackaday Superconference kicks off in Pasadena, California, and it’s shaping up to be a hoot. With a cavalcade of exciting workshops and talks on offer, hackers and...
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HF Propagation and Earthquakes
For all the successes of modern weather forecasting, where hurricanes, blizzards, and even notoriously unpredictable tornadoes are routinely detected before they strike, reliably predicting one aspect...
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Haptic Games Bring Fun to the Visually Impaired
No matter what your parents might say, games are good for us. They teach us to manage resources and give us dopamine rewards just like eating and mating do. Even if you’re no good at games in general,...
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Improving Exposure On A Masked SLA Printer
It’s taken longer than some might have thought, but we’re finally at the point where you can pick up an SLA 3D printer for a few hundred bucks. These machines, which use light to cure a resin, are...
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Lessons in Li-Ion Safety
If you came here from an internet search because your battery just blew up and you don’t know how to put out the fire, then use a regular fire extinguisher if it’s plugged in to an outlet, or a fire...
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Bicycle Transforms Mid-Ride
For those of us who were children in the late 80s and early 90s, we may have dreamed of one day owning a gigantic tractor trailer that could transform into a colossal fighting robot. Or of simply...
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Ask Hackaday: Is Anyone Sad Phone VR is Dead?
It’s official: smartphone-based VR is dead. The two big players in this space were Samsung Gear VR (powered by Oculus, which is owned by Facebook) and Google Daydream. Both have called it quits, with...
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An Open Source Toolbox for Studying the Earth
Fully understanding the planet’s complex ecosystem takes data, and lots of it. Unfortunately, the ability to collect detailed environmental data on a large scale with any sort of accuracy has...
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Break The Caps Lock Habit With This Annoying Buzzer
The much-maligned Caps Lock key has been causing problems for decades, and its continued existence is controversial enough that Google decided to drop it all together in their Chromebooks. Until the...
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Jubilee: A Toolchanging Homage to 3D Printer Hackers Everywhere
I admit that I’m late to the 3D printing game. While I just picked up my first printer in 2018, the rest of us have been oozing out beautiful prints for over a decade. And in that time we’ve seen many...
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Ethernet, Over DC Power
We’re used to extending our network connections and being no longer constrained in our use of Ethernet by proximity to a switch or hub. Our houses routinely contain wireless networks, and of course...
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Best Buy’s IoT Goes Dark, Leaving Some “Smart” Products Dumbfounded
Bad news if you bought several Insignia-branded smart devices from Best Buy. The company has decided to shut down the back end systems that make them work — or at least work as a smart device. On the...
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Detecting Water Before it’s Too Late
[mcu_nerd] is like any engineer, which is why his problem of an occasionally leaky water heater sure looks like a research project with no end in sight. Sure there’s probably a commercial product out...
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5 Kilowatts In A 3D Printed Jet Boat
Radio control projects used to be made of materials such as metal or wood, and involve lots of hand crafted parts. That’s still one way to go about things, but 3D printing has become a popular tool in...
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This Week in Security: Fuzzing Fixes, Foul Fonts, TPM Timing Attacks, and More!
An issue was discovered in libarchive through Google’s ClusterFuzz project. Libarchive is a compression and decompression library, widely used in utilities. The issue here is how the library recovers...
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Needling Your Projects: 3D Printed PCB Probing Jig Uses Accupuncture Needles
Trying to probe a modern electronic circuit with tiny SMD components, without letting the magic smoke escape in the process, can be quite a challenge. Especially since we hackers have not yet...
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DSP Spreadsheet: IQ Diagrams
In previous installments of DSP Spreadsheet, we’ve looked at generating signals, mixing them, and filtering them. If you start trying to work with DSP, though, you’ll find a topic that always rears its...
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Finally Your Air Drumming Has an Outlet
Two engineering students are hard at work on this air drum which they hope will help disabled people and people in nursing homes. Though, we think it just looks fun! Each board is its own module...
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