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Status Light Tells You The Code is Borked Again
[Arthur] is teaching himself product development. Rather than create a few mock-up products, he’s taking the path of designing real devices he can use. His current device is a status light for...
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Authentic Blue Blueprints
At one point in history, blueprints were actually blue. Now, if you even see a dead tree version of plans or assemblages, they’re probably printed off with a plotter or large format printer. You can,...
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Developed on Hackaday: Need Card Art — Who Likes to Draw?
Our offline password keeper project (aka Mooltipass) is quite lucky to have very active (and very competent) contributors. [Harlequin-tech] recently finished our OLED screen low level graphics library...
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Developed on Hackaday: 2 Days Left to Submit your Design!
We’re sure that many of Hackaday readers already know that one of the two main components of the Mooltipass project is a smart card, containing (among others) the AES-256 encryption key. Two weeks ago...
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Developed on Hackaday: Olivier’s Design Rundown
The Hackaday writers and readers are currently working hand-in-hand on an offline password keeper, the Mooltipass. A few days ago we presented Olivier’s design front PCB without even showing the rest...
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Developed on Hackaday: Vote for your Favorite Card Art
A few weeks ago we asked our dear readers if they were interested in coming up with some card art for the Mooltipass project. We received more than a dozen of them and a few days ago the HaD project...
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Developed on Hackaday: License Incompatibilities and Project State
It has been a while since we wrote an article about our ongoing offline password keeper project, aka the Mooltipass. Our last post was asking our dear readers to vote for their favorite card art, so...
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Hackaday Printing Press Upgrade
There comes a time when your movable type becomes so over-used that you no longer get a legible print off of the printing press. For months now we’ve been at work on a new site design that maintains...
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How Retractable Pens Work
[Bill Hammack], aka the [EngineerGuy] is at it again, this time explaining how retractable ballpoint pens work. In this excellent video, he describes the simple (but remarkably sophisticated)...
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If You Could Build a Clock in World of Goo…
[Orson Scott Card] once wrote “…time flows through all lives equally.” You have to wonder what he would think if he saw Rhei, a fluid clock that is part prototype, part dynamic installation, and part...
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Passive, but not Innocuous
Maxim Integrated recently posted a series of application notes chronicling how there’s more going on than you’d think in even the simplest “passive” components. Nothing’s safe: capacitors, resistors,...
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Hackaday Links: December 6, 2015
[Camus] had it all wrong. After a few hundred years of rolling a stone up a mountain, Sisyphus would do what all humans would do: become engrossed in novelty. The stone would never reach the summit,...
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Design Analysis: Core XY vs H-Bot
Hackaday writer [Joshua Vasquez] wrote about the mechanical difference between the Core-XY and H-Bot movements commonly used in 3D printers on his personal website. There are so many things a beginning...
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Michael Ossmann Makes You an RF Design Hero
To a lot of people, radio-frequency (RF) design is black magic. Even if you’ve built a number of RF projects, and worked your way through the low-lying gotchas, you’ve probably still got a healthy...
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Six Years of Work and Rationale In A DIY Book Scanner Documented
[Daniel Reetz] spent six years working as a Disney engineer during the day and on his book scanner, the archivist at night. Some time last year, [Daniel] decided enough is enough, got married, and...
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How to Design, Manufacture, and Document a Hardware Product
It’s pretty awesome to have a hardware design hero jump at the chance to work on a Hackaday conference badge. I am of course talking about Voja Antonic. I’ve gotten to know him over the last two years...
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Build A Circular Aerofoil Kite
[Waalcko] fell in love with kites when he was 13 years old. He saw a NASA Para Wing kite fly and couldn’t get it out of his head. Now, years later, he shares how to build a circular foil kite design he...
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Design for Hackers
Near the end of the lifecycle of mass-market commercial product development, an engineering team may come in and make a design for manufacturability (DFM) pass. The goal is to make the device easy,...
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Hackaday Dictionary: Mils and Inches and Meters (oh my)
Measuring length is a pain, and it’s all the fault of Imperial measurements. Certain industries have standardized around either Imperial or metric, which means that working on projects across multiple...
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We’re Fans of Dave’s Fans
Hackaday.io contributor extraordinaire [davedarko] gets hot in the summer. We all do. But what separates him from the casual hacker is that he beat the heat by ordering four 120 mm case fans. He then...
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