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3D Printed Rover Enjoys Long Walks on the Beach
More than a few hackers have put in the considerable time and effort required to build a rover inspired by NASA’s robotic Martian explorers, but unfortunately even the most well funded home tinkerer...
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The Amazon Dash Button: A Retrospective
The Internet of Things will revolutionize everything! Manufacturing? Dog walking? Coffee bean refilling? Car driving? Food eating? Put a sensor in it! The marketing makes it pretty clear that there’s...
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Vintage Car Radio Now Plays Games and Chiptunes
[MisterM] seems to specialize in squeezing new electronics into old but good-looking technology. His latest creation focuses on a space-age specimen: an interesting car radio from 1963 that could be...
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Fixing A Cheap UPS HAT For Your Raspberry Pi With A Tiny Daemon
An uninterruptible power supply (UPS) isn’t something solely to have hooked up to your desktop PC. Your Raspberry Pi SBC might also benefit from it. Yet the available options aren’t too great, or are...
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Finely Machined Valve Controls Miniature RC Hydraulics
Hydraulic components are the industrial power transmission version of LEGO. Pumps, cylinders, valves – pretty much everything is standardized, and fitting out a working system is a matter of picking...
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Secret Messages Could be Hiding in Your Server Logs
[Ryan Flowers] writes in with a clever little hack that can allow you to hide data where nobody is going to go looking for it. By exploiting the fact that a web server will generally log all HTTP...
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Kilopower: NASA’s Offworld Nuclear Reactor
Here on Earth, the ability to generate electricity is something we take for granted. We can count on the sun to illuminate solar panels, and the movement of air and water to spin turbines. Fossil...
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Everything You Want To Know About The Cheapest Processors Available
Those of us who use microprocessors in our work will be familiar with their cost, whether we are buying one or two for a project or ten million on reels for a production run. We’re used to paying tens...
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How The Power Gets To The Outlet
[Practical Engineering] is ready to explain how power substations get electricity to you in his latest video, which you can see below. One of the things we always notice when talking to people either...
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Experiments In 3D Graphics Via Excel
3D graphics were once the domain of university research groups and large, specialized computing systems. Eventually, they were tamed and became mainstream. Your phone, tablet, and home computer are...
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Giant LED Display is 1200 Balls to the Wall
When you’re going to build something big, it’s often a good idea to start small and work out the bugs first. That’s what [bitluni] did with his massive 1200-pixel LED video wall, which he unveiled at...
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Pegleg: Raspberry Pi Implanted Below the Skin (Not Coming to a Store Near You)
Earlier this month, a group of biohackers installed two Rasberry Pis in their legs. While that sounds like the bleeding edge, those computers were already v2 of a project called PegLeg. I was fortunate...
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Impractical Clock Uses Tuning Fork
Clock projects are so common that they are almost a cliche. After all, microcontrollers have some clock source and are good at counting, so it stands to reason that a clock is an obvious project....
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How To Play Doom – And More – On An NES
Doom was a breakthrough game for its time, and became so popular that now it’s essentially the “Banana For Scale” of hardware hacking. Doom has been ported to countless devices, most of which have...
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Building A Robot Rover For Those Tough Indoor Missions
Making an outdoor rover is easy stuff, with lots of folk having them doing their roving activities on beaches and alien worlds. Clearly the new frontier is indoor environments, a frontier which is...
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Arduino on mBed
Sometimes it seems like Arduino is everywhere. However, with a new glut of IoT processors, it must be quite a task to keep the Arduino core on all of them. Writing on the Arduino blog, [Martino...
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This Week in Security: VPN Gateways, Attacks in the Wild, VLC, and an IP...
We’ll start with more Black Hat/DEFCON news. [Meh Chang] and [Orange Tsai] from Devcore took a look at Fortinet and Pulse Secure devices, and found multiple vulnerabilities. (PDF Slides) They are...
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Your Arduino SAMD21 ADC is Lying to You
One of the great things about the Arduino environment is that it covers a wide variety of hardware with a common interface. Importantly, this isn’t just about language, but also about abstracting away...
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Voice Chess Uses Phone, Arduino, And An Electromagnet
[Diyguypt] may be an altruist to provide the means for people who can’t manipulate chess pieces to play the game. Or he may just have his hands too busy with food and drink to play. Either way, his...
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Steampunk Radio Looks The Business
Radios are, by and large, not powered by steam. One could make the argument that much of our municipal electricity supply does come via steam turbines, but that might be drawing a long bow....
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