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Joulescope DC Energy Analyzer Reviewed
[VoltLog] got a hold of a prerelease unit of Joulescope — a DC energy analyzer that promises to make it easy to optimize power and energy usage of your electronic designs. You can find his review in...
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Fueled By Jealousy, This Smart Lamp Really Shines
As a lover of lava lamps, [Julian Butler] knew when he saw a coworker’s modern LED incarnation of the classic piece of illuminated decor that he had to have one for himself. The only problem was that...
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Fun With A Hydrogen Thyratron
There’s something oddly menacing about some vacuum tubes. The glass, the glowing filaments, the strange metal grids and wires suspended within – all those lead to a mysterious sci-fi look and the...
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RemoteDebug for ESP Platforms
Debugging tools are critical to quick and effective development. Without being able to peek under the hood at what’s really going on, it can be difficult to understand and solve problems. Those who...
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Blacksmithing For The Uninitiated: What is a Forge?
Blacksmiths were the high technologists of fabrication up until the industrial revolution gained momentum. At its core, this is the art and science of making any needed tool or mechanism out of metal....
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Jaromir Sukuba: The Supercon 2018 Badge Firmware
If you missed it, the Hackaday Supercon 2018 badge was a complete retro-minicomputer with a screen, keyboard, memory, speaker, and expansion ports that would make a TRS-80 blush. Only instead of...
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A Garbage Bag Skirt Is Fit For A Hovercraft
The hovercraft is an entertaining but much maligned form of transport. While they have military applications and at times have even run as ferries across the English Channel, fundamental issues with...
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This SDR Uses A Tube
When you think of a software defined radio (SDR) setup, maybe you imagine an IC or two, maybe feeding a computer. You probably don’t think of a vacuum tube. [Mirko Pavleski] built a one-tube shortwave...
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Hackaday Podcast Ep9 – On the Edge of AI, Comment Your Code, Big Big Wheels,...
Catch up on the past week of hacks with Hackaday Editors Elliot Williams and Mike Szczys. “AI on the Edge” is the buzzword of choice lately, with hardware offerings from BeagleBone and Google to...
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Saving Your Vision From Super Glue In The Eyes
Super glue, or cyanoacrylate as it is formally known, is one heck of a useful adhesive. Developed in the 20th century as a result of a program to create plastic gun sights, it is loved for its ability...
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Polygonia Helps You Laser Cut Beautiful Patterns
Lasercutters are amazingly versatile tools that can help you build all manner of complicated structures if you can break them down into a series of planar parts. [David] had spotted artworks at the...
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A No-Cost, Heavy Metal Lathe From Junkyard Parts
We have to admit that our first thought on seeing a Frankenlathe made from old engine blocks was that it was a set piece from a movie like The Road Warrior. And when you think about it, the ability to...
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Creating Lenses On Cheap CNC Machines
There are a lot of CNC machines sitting around in basements and garages, but we haven’t seen anything like this. It’s making lenses using a standard CNC machine and a lot of elbow grease. The process...
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This Cardboard Box Can Tell You What It Sees
It wasn’t that long ago that talking to computers was the preserve of movies and science fiction. Slowly, voice recognition improved, and these days it’s getting to be pretty usable. The technology has...
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RGB Word Clock Doesn’t Skimp on the Features
Like most pieces of technology, word clocks seem to be getting better and better every year. As hackers get their hands on better microcontrollers and more capable LED controllers, these builds not...
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A Nurse Call System Becomes Turing Complete
George Mallory, a famous English mountaineer, once suggested that it was of no use to climb mountains. Instead, he posited, the only reason to climb a mountain is because it is there. Likewise, when...
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Truly Random MIDI Control
Generating random data is incredibly hard, and most of the random data around you isn’t truly random, but merely pseudo-random. For really random data, you’ll have to look at something like...
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Model Car Indicates Door Is Ajar
The amount of technology in modern cars is truly staggering. Heated seats, keyless entry, and arrays of helpful cameras are all becoming increasingly common in all but the cheapest of models....
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Component Video For The Commodore 64
Of all the retro systems, the Commodore 64 had the best video system. The VIC-II chip in the C64 was the best example of why Commodore was the best, but in terms of video output, the C64 was still a...
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Driving a Controllerless LCD With the Humble Arduino Uno
These days, you could be forgiven for thinking driving an LCD from a microcontroller is easy. Cheap displays have proliferated, ready to go on breakout boards with controllers already baked in. Load...
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