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The Smallest Hacker Camps Are The Most Satisfying, And You Can Do One Too
Two of my friends and I crammed into a small and aged European hatchback, drove all day along hundreds of miles of motorway, and finally through a succession of ever smaller roads. We were heading for...
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Cycloid Drawing Machine Uses Sneaky Stepper Hack
Stepper motors are great for projects that require accurate control of motion. 3D printers, CNC machines and plotters are often built using these useful devices. [InventorArtist] built a stepper-based...
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Thrust Vectoring With Compliant Mechanisms Is Hard
Thrust vectoring is one way to control aerial vehicles. It’s become more popular as technology advances, finding applications on fifth-generation fighter aircraft, as well as long being used in space...
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Simulating the Enigma’s Oddball Cousin
Even if you wouldn’t describe yourself as a history buff, you’re likely familiar with the Enigma machine from World War II. This early electromechanical encryption device was used extensively by Nazi...
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Building a Mag Lev Optical Table
When you’re talking about optics, things are often happening on a nanometer scale. This means that even the slightest amount of vibration can spoil delicate work. [The Thought Emporium] is working on...
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Play Dough Simplifies Interferometer Build
An interferometer sounds like something complicated, and in a way, it is. But it is also pretty easy to build one with some common materials. [Let’s Innovate] has instructions for how to make an...
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Mac Plus Becomes A Vector Display
The vintage Macintosh all-in-one computers were a design icon, as well as being highly useful machines in the 80s and 90s. In the decades since, they’ve been used for everything from web servers to...
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Add Scroll Wheels and Buttons to Smartphones with 3D-Printed Widgets Read by...
The first LED digital wristwatches hit the market in the 1970s. They required a button push to turn the display on, prompting one comedian to quip that giving one to a one-armed man would be in poor...
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Modeling The Classic 555 Timer On A Breadboard
Over the years, readers have often commented that microcontrollers (or more specifically, the Arduino) are overkill for many of the projects they get used in. The admonition that the creator “Should...
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Neat Smart(ish) Watch Build Uses BLE
Digital watches are a pretty neat idea, and are a great way to experiment with designing and building low-power circuits. That’s what [Eric Min] did with this neat smart watch build. It’s based around...
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Game Builder Lets Kids — Even Old Kids — Build Games
One rite of passage back in the good old days of owning a TRS-80, Commodore 64, or similar vintage computer was writing your own game. It probably wouldn’t be very good, but it wouldn’t be much worse...
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Exploring The Dell N1108T-ON Ethernet Switch
In an era where everything seems to be getting “smarter” every year, it will probably come as no surprise to find that even relatively middling networking hardware is now packing advanced features and...
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Digital Multimeasure Helps You Get The Job Done
In any mechanical field of work, accurate measurement is key to success. [Patrick Panikulam] knows this well, and decided to build a device that would be useful for some of the more tricky measurement...
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Making A Digital Clock A Little More Intuitive
Digital clocks are extremely useful and generally considered pretty easy to read. However, they can sometimes have rather arcane interfaces for setting the time and alarms. For [Michael Wessel], he...
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Morse Code Catches Google Swiping Lyrics
We think of Morse code in terms of dots and dashes, but really it’s a kind of binary code. Those symbols might as well be 0s and 1s or any other pair of characters. That attribute is exactly what led...
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Adobe Neural Net Detects Photoshop Shenanigans
Photoshop can take a bad picture and make it look better. But it can also take a picture of you smiling and make it into a picture of your frowning. Altering images and video can of course be benign,...
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Manufacturing New Connectors For The Apollo Guidance Computer
The fiftieth anniversary of the Apollo 11 mission – the flight that first took man to the surface of the moon — is coming up. By the time this post is published, some YouTube channel will invariably...
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Reverse Engineering The Sound Blaster
The first sound card to output PCM audio — the kind you need for audio samples — wasn’t the Sound Blaster. The AdLib Music Synthesizer Card could output PCM audio over software. The AdLib card also...
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Tomorrow Night: HDDG 40, Mechanical And Electronic Ephemera
For the last several years, we’ve hosted a series of meetups for the Bay Area. This week is no different and we’re pleased to announce the fortieth Hardware Developers Didactic Galactic. It’s this...
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Hams Gone Wild: Amateur Radio Field Day 2019
Of all the images that amateur radio conjures up, the great outdoors doesn’t usually figure heavily. People seem to think hams sit in a dark room at a desk heavy with radio gear, banging out Morse...
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