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Pi Zero Gives Telescope Hands Free Focus
It seems like [Jason Bowling] never gets tired of finding new ways to combine the Raspberry Pi with his love of the cosmos. This time he’s come up with a very straightforward way of focusing his...
View ArticlePipes, Tees, and Gears Result in Smooth Video Shots
It’s depressingly easy to make bad videos, but it only takes a little care to turn that around. After ample lighting and decent audio — and not shooting in portrait — perhaps the biggest improvements...
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AT-ST High Chair Elevates Lucky Jedi Youngling
As a new parent, there’s lots you have to do. You have to buy a car seat, get the baby’s room ready, figure out daycare; all the boring but unavoidable minutiae of shepherding a tiny human. But for the...
View ArticleThis IS Your Grandfather’s Radio
Tube radios have a certain charm. Waiting for them to warm up, that glow of the filaments in a dark room. Tubes ruled radio for many decades. [Uniservo] posted a video about the history and technology...
View ArticleHarvesting Energy from the Earth with Quantum Tunneling
More energy hits the earth in sunlight every day than humanity could use in about 16,000 years or so, but that hasn’t stopped us from trying to tap into other sources of energy too. One source that...
View ArticleHomebrew Wrist Brace Helps Beat Injury with Style
Repetitive motion injuries are no joke, often attended by crippling pain and the possibility of expensive surgery with a lengthy recovery. Early detection and treatment is the key, and for many wrist...
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Arduino Keyboard is Gorgeous Inside and Out
While the vast majority of us are content to plod along with the squishy chiclet keyboards on our laptops, or the cheapest USB membrane keyboard we could find on Amazon, there’s a special breed out...
View ArticleStudent 3D Prints Eyes
[Ondřej Vocílka] is a student at the Brno University of Technology in the Czech Republic. In addition, the 23-year-old lost his vision in his left eye. While attending a lecture on 3D printing, he...
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Building an Arduino Smart IC Tester for $25
There’s no question that you can get a lot done with the classic multimeter; it’s arguably the single most capable tool on your bench. But the farther down the rabbit hole of hacking and reverse...
View ArticleLearn About Waveforms Interactively
We’ll be honest: If you are a regular Hackaday reader, you probably won’t learn much new information about waveforms from this website. However, the presentation is a great example of using React on a...
View ArticlePulling Music Out Of Thin Air with a Raspberry Pi
Pianos are great instruments, but being rather heavy and requiring a fair amount of space they are certainly not known for their convenience. Sure, there are more portable varieties available, but they...
View ArticleThere’s Now A New MIDI Spec, And Drones
MIDI, the Musical Instrument Digital Interface, was released in 1983 in a truly bizarre association between musical instrument manufacturers. At no other time, before or since, has there been such...
View ArticleHow To Control the Lights with a TV Remote
In this day and age of the Internet of Things and controlling appliances over the internet, the idea of using an old-fashioned television remote to do anything feels distinctly 2005. That doesn’t mean...
View ArticleAnalyzing Hobby Motors with an Oscilloscope
We always like finding new excuses reasons to use our test equipment, so we couldn’t help but be intrigued by this tip from [Joe Mosfet]. He uses the ever-popular Rigol DS1054Z to demonstrate the...
View ArticleUnderwater Logging for Science
Logging data with an Arduino is old-hat for most Hackaday readers. However, [Patricia Beddows] and [Edward Mallon] had some pretty daunting requirements. Their sensors were going underground and...
View ArticleResurrecting An Amiga CD32
As an editor on Amiga magazines in a previous life, this is kind of bittersweet. [RetroManCave] was donated an Amiga CD32 games system, and it is trying to resurrect it. If you’ve not heard of it, the...
View ArticleCatching the (PCIe) Bus
If you are trying to learn about FPGAs, there is only so far you can go with the usual blinking lights and VGA outputs. Eventually, you want to do something more. Although not terribly cheap, you can...
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Repairs You Can Print: A Turn Signal Switch For A Chevy Corvair
Running a classic car is often an easier prospect than a more recent model, as the mechanical parts have a tendency towards commonality between models, simplicity, and maintenance using basic tools....
View ArticleHelp Keep The Bombe At Bletchley
Fans of vintage codebreaking machinery might be interested to hear that the only working reconstruction of a Turing-Welchman Bombe is likely to soon be on the move. The electromechanical device, a...
View ArticleAI Listens to Radio
We’ve seen plenty of examples of neural networks listening to speech, reading characters, or identifying images. KickView had a different idea. They wanted to learn to recognize radio signals. Not just...
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