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Hackaday Meetup at Electronica: Thursday
Hackaday’s parent company Supplyframe is at Electronica in Munich this week — booth C5-223. On Thursday from 16:00 – 18:00, they’ll be hosting a Hackaday Happy Hour, with a beer and coffee bar, for...
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Backyard Planetarium with Magnets
If you are a Hackaday reader, you probably like space in real life, fiction, or both. A trip to a planetarium is a great treat, but what if you could have a planetarium in your backyard? [Ecasill]...
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Memory Mapping Methods in the Super Nintendo
Not only is the Super Nintendo an all-around great platform, both during its prime in the 90s and now during the nostalgia craze, but its relative simplicity compared to modern systems makes it a lot...
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Rock Out to the Written Word with BookSound
[Roni Bandini] has given the world a new type of music with, BookSound. As the name implies, it takes the written word and turns it into electronic music. You’re no doubt familiar with audiobooks,...
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Centurion Bridge Layer, Now In RC
Radio controlled models are great fun. Most of us have had a few RC cars as children and maybe dabbled with the occasional helicopter or drone. It’s a rare breed of modeler, however, that gets to drive...
View ArticleRe-enacting TRON on the Apple IIgs
TRON is a science fiction classic, hitting cinemas in the midst of the burgeoning home computer era. It’s the film that created the famous light cycle, which spawned many video game recreations in the...
View ArticleThe Smaller, More Powerful Raspberry Pi 3 Model A+
It’s that time of year again, and the Raspberry Pi Foundation has some new hardware for you. This time, it’s an improved version of the Raspberry Pi Model A, bringing it the speed and power of its...
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Cyborg Mushrooms
Of all the fictional cyborgs who turn against humanity to conquer the planet, this is as far from that possibility as you can get. These harmless mushrooms seem more interested in showing off their...
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Measuring The Cooling Effect Of Transformer Oil
Transformer oil has long served two purposes, cooling and insulating. The large, steel encased transformers we see connected to the electrical grid are filled with transformer oil which is circulated...
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Magnets and Printed Parts Make Quick-Disconnect Terminals
The Apple MagSafe power connector is long gone from their product line, but that doesn’t mean that magnetic connectors aren’t without their charms. It just takes the right application, and finding one...
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How’s a Gyro Work?
It wasn’t long ago that a gyro — or gyroscope — was an exotic piece of electronics gear. Most of us only saw them as children’s toys that would balance on your finger. That’s changed, though, thanks...
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Smooth Moves from Cheap Motors
Building an electric motor isn’t hard or technically challenging, but these motors have very little in the way of control. A stepper motor is usually employed in applications that need precision, but...
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Delta Bot Plucks Out Tunes on a Mandolin
Is there no occupation safe from the scourge of robotic replacement? First it was the automobile assemblers, then fast food workers, and now it’s the — mandolin players? Probably not, unless [Clayton...
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Expanding 3D Printer Bed Stays True Under Fire
It’s hard to pass up another lesson in good machine design brought to us by [Mark Rehorst]. This time, [Mark] combats the relentless forces of bed deformation due to thermal expansion. Did you think...
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Analog Clock Goes Digital, or Vice Versa
Designing a good clock takes a lot of considerations. It’s not just hands, faces, and numbers anymore; there are also word clocks, electronic clocks, marble clocks, or water clocks, and just about...
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Etch Your Own Circuit Boards In Your Kitchen
Right now, you can design a PCB, send it off to a PCB fab, and get professional finished boards in a few days for less than a dollar per square inch. This is fantastic, and it’s the driving force...
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A Sneak Peek at Anechoic Chamber Testing
[Mathieu Stephan] has something new in the works, and while he isn’t ready to take the wraps off of it yet, he was kind enough to document his experience putting the mysterious new gadget through its...
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High Voltage Measurement is Shockingly Safe
With the right equipment and training, it’s possible to safely work on energized power lines in the 500 kV range with bare hands. Most of us, though, don’t have the right equipment or training, and...
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Generative Design Algorithms Prepare For Space
NASA is famously risk-averse, taking cautious approaches because billions of taxpayer dollars are at stake and each failure receives far more political attention than their many successes. So while...
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Restoring An Apollo Guidance Computer
The Apollo Guidance Computer is a remarkably important piece of computing history. It’s the computer that guided the Apollo lander to land on the moon. We’ve seen a few replica builds over the years,...
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