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It’s The Web, Basically
If you are of a certain age, you probably learned to program in Basic. Even if you aren’t, a lot of microcontroller hobbyists got started on the Basic Stamp, and there are plenty of other places where...
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ARM-Based NAS Is A Low Cost, Low Power Beauty
A NAS is always a handy addition to a home network, but they can be a little pricey. [Blake Burkhart] decided to create his own, prioritising budget and low power considerations, with a secondary...
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Epic Clock Clocks The Unix Epoch
Admit it: when you first heard of the concept of the Unix Epoch, you sat down with a calculator to see when exactly 2³¹-1 seconds would be from midnight UTC on January 1, 1970. Personally, I did that...
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Robotic Fruit Fly Won’t Eat Your Fruit
The DelFly project has been busy since the last time we checked in on them. The Dutch team started 13 years ago and produced the smallest camera-carrying drone, and an autonomous tiny ornithopter....
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Super Magnesium: Lighter Than Aluminum, Cheaper Than Carbon Fiber
We think of high tech materials as the purview of the space program, or of high-performance aircraft. But there are other niche applications that foster super materials, for example the world of...
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Soldering Like It’s 205 BC
Did you ever stop to think how unlikely the discovery of soldering is? It’s hard to imagine what sequence of events led to it; after all, metals heated to just the right temperature while applying an...
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Visual Schematic Diffs in KiCAD Help Find Changes
When writing software a key part of the development workflow is looking at changes between files. With version control systems this process can get pretty advanced, letting you see changes between...
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Voice Controlled Stereo Balance With ESP8266
A stereo setup assumes that the listener is physically located between the speakers, that’s how it can deliver sound equally from both sides. It’s also why the receiver has a “Balance” adjustment, so...
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Electric Wheelbarrow Makes Hauling Big Loads Easier
Gardening involves a depressing amount of physical activity: haul this over here, dump it there and then cover it with this. Things like wheelbarrows are still damn hard work, especially for people...
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Advanced Techniques For Using Git With KiCAD
For most developers “distributed version control” probably means git. But by itself git doesn’t work very well with binary files such as images, zip files and the like because git doesn’t know how to...
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Touch Anything And Everything
Powering IoT devices is often a question of batteries or mains power, but in rare exceptions to this rule there is no power supply (PDF Warning). At the University of Wisconsin-Madison and the...
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Learn ARM Assembly with the Raspberry Pi
We live in a time when you don’t have to know assembly language to successfully work with embedded computers. The typical processor these days has resources that would shame early PCs and some of the...
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C64 Keyboard Helps Keep The Memory Alive
To say that the Commodore 64 was an important milestone in the history of personal computing is probably a bit of an understatement. For a decent chunk of the 1980s, it was the home computer, with some...
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Fixing An IBM 1401 Computer To Get It Printing Again
The IBM 1401 is a classic computer which IBM marketed throughout the 1960s, late enough for it to have used transistors rather than vacuum tubes, which is probably a good thing for this story. For...
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One Man’s Journey To Becoming His Own ISP
America is a BIG country. There are pockets all across the land where broadband Internet is slow-to-nonexistent, and many individuals are left with wireless cell service as their only means of...
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New Part Day: Put An Alexa In Everything
The last great hope for electronics manufactures is smart home assistants. The Alexas and Siris and OK Googles are taking over homes across the country. At its best, it’s HAL 9000, only slightly less...
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555 Timer Robots Will Rule The World
A running joke we see in the comments by Hackaday readers whenever a project includes an Arduino or Raspberry Pi that seems like overkill is to proclaim that “I could have done it with a 555 timer!”...
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Building A Pocket Sized Arduino Oscilloscope
There’s little question that an oscilloscope is pretty much a must-have piece of equipment for the electronics hacker. It’s a critical piece of gear for reverse engineering devices and protocols, and...
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The Un-Economy Of Building Your Own Spot Welder
If there’s one thing that brings hackers together, it’s the ability to build something for less money than it takes to buy it. It’s an exercise [Great Scott Gadgets] put to the test because he was...
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Make An Electric Skateboard For Your Cat
Have you ever looked at your cat and thought “You know, my kitten really needs an electric skateboard!” Probably not, but this seems to have happened to [Kim Pimmel] while looking at his cat MIDI, so...
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