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A Pi Cluster to Hang in Your Stocking with Care
It’s that time of year again, with the holidays fast approaching friends and family will be hounding you about what trinkets and shiny baubles they can pretend to surprise you with. Unfortunately...
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Warnings On Steroids – Static Code Analysis Tools
A little while back, we were talking about utilizing compiler warnings as first step to make our C code less error-prone and increase its general stability and quality. We know now that the C compiler...
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My Oscilloscope Uses Fire
If you want to visualize sound waves, you reach for your oscilloscope, right? That wasn’t an option in 1905 so physicist [Heinrich Rubens] came up with another way involving flames. [Luke Guigliano]...
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Stovetop Milk Steamer Is Beautiful, Effective
The Moka pot is an industrial design classic, hailing from Italy in the early part of the 20th century. To this day, it remains an excellent way to brew top quality coffee at home with affordable...
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iCEBreaker, The Open Source Development Board for FPGAs
The Hackaday Superconference is over, which is a shame, but one of the great things about our conference is the people who manage to trek out to Pasadena every year to show us all the cool stuff...
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[Ben Krasnow] Builds a One-Component Interferometer
When we think of physics experiments, we tend to envision cavernous rooms filled with things like optical benches, huge coils in vacuum chambers, and rack after rack of amplifiers and data acquisition...
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RISC-V Will Stop Hackers Dead From Getting Into Your Computer
The greatest hardware hacks of all time were simply the result of finding software keys in memory. The AACS encryption debacle — the 09 F9 key that allowed us to decrypt HD DVDs — was the result of...
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Tiny Art Etched into Silicon Wafers with Electron Beam Lithography
Looks like [Sam Zeloof] got bored on his Thanksgiving break, and things got a little weird in his garage. Of course when your garage contains a scanning electron microscope, the definition of weird...
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Turn Old Pinball Parts Into A Unique Digital Clock
It’s getting ever harder to build a truly unique digital clock. From electronic displays to the flip-dots and flip-cards, everything seems to have been done to death. But this pinball scoring reel...
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Charge Your EV The Portable Way
[Andrew Rossignol] has a slightly unusual plug-in hybrid vehicle, a Cadillac ELR, and his latest project for the car sees him building a battery-powered portable mains charging pack for it in an...
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Let’s Look At Some Cool Old LEDs
LEDs are now a mature technology, with all manner of colors and flavors available. However, back in the 1970s, it was early days for this fledgling display tech, and things looked very different....
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Retrotechtacular: Remembering Radio Shack P-Box Kits
If you are under a certain age, you probably associate Radio Shack with cellphones. While Radio Shack never gave us access to the variety and economy of parts we have today, they did have one thing...
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Dexterity Hand is a Configurable Prosthetic Hand
One of the interesting benefits of the 3D printing revolution is the dramatic increase in availability of prosthetics for people with virtually any need. With a little bit of research, a 3D printer,...
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A Lecture By A Fun Guy
Many people hear “fungus” and think of mushrooms. This is akin to hearing “trees” and thinking of apples. Fungus makes up 2% of earth’s total biomass or 10% of the non-plant biomass, and ranges from...
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Build Your Own Anechoic Chamber
For professional-level sound recording, you’ll need professional-level equipment. Microphones and mixing gear are the obvious necessities, as well as a good computer with the right software on it. But...
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Reflex Trainer Puts Athletes To The Test
Being a top athlete in this modern age is a full-time job. No longer do athletes simply practice at their nominated sport of choice. They undergo strength training, full nutritional programs, cardio,...
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Bust A Move Doesn’t Have To Be Such A Grind
PC gamers have the benefit of the mouse and keyboard, which are highly flexible when it comes to input devices for gaming. What’s more, the freedom of the platform means that it’s easy to whip up...
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Young Entrepreneurs Learn What Really Goes Into Making a Product
Just to be clear, the primary goal of the Papas Inventeurs (Inventor Dads) was to have the kids make something, have fun, and learn. In that light, they enjoyed a huge success. Four children designed,...
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Manhattan Mystery of Creepy Jingles and Random Noises Solved
Here’s a puzzler for you: If you’re phreaking something that’s not exactly a phone, are you still a phreak? That question probably never crossed the minds of New Yorkers who were acoustically...
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Shape Shifting Structures Work With Magnets
In The Dark Knight, Lucius Fox shows Bruce Wayne a neat bit of memory weave fabric. In its resting state, it is a light, flexible material, but when an electrical current is applied, it pops into a...
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