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Binary Advent Calendar Does More With Fewer Doors
[John] sent this one in to us a little bit after Christmas, but we’ll give him a pass because it’s so beautiful. Think of it this way: now you have almost a full year to make a binary advent calendar...
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Be Still, My Animatronic Heart
Fair warning for the squeamish: some versions of [Will Cogley]’s animatronic heart are realistic enough that you might not want to watch the video below. That’d be a shame though, because he really...
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Hackaday Links: January 19, 2020
We’ve seen some interesting pitches in personal ads before, but this one takes the cake. Japanese billionaire Yusaku Maezawa is looking for a date to go along with him on his paid trip to the Moon,...
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RasterCarve Converts Images to CNC
CNC machines are an essential part of the hacker’s toolset. These computer-controlled cutters of wood, metal and other materials can translate a design into a prototype in short order, making the...
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Teardown: BilBot Bluetooth Robot
Historically, the subject of our January teardown has been a piece of high-tech holiday lighting from the clearance rack; after all, they can usually be picked up for pocket change once the trucks full...
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Testing Your Grit: Tales of Hacking in Difficult Situations
What’s your work area like? Perhaps you’re mostly a software person, used to the carpeted land of cubicles or shared workspaces, with their stand-up desks and subdued lighting. Or maybe you’ve got a...
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Electric Unicorn Is Our Kind Of Rideable
When [Charlyn] took a unicorn rocking horse in to work, it was an instant hit. Naturally, the people wanted more, and suggested it needed electric propulsion. Naturally, she rose to the challenge, and...
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Random Numbers From Outer Space
Need a random number? Sure, you could just roll a die, but if you do, you might invite laughter from nearby quantum enthusiasts. If it’s truly, unpredictably random numbers you need, look no farther...
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Gradient Infill Puts More Plastic Where You Want It
It is always tricky setting the infill for a 3D printed part. High infill parts are strong but take longer to print, while low infill prints take less time, but are weaker internally and in danger of...
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Tumble Polisher Smooths Parts With Ease
When you’re 3D printing parts, it’s easy to create pieces with all manner of complex geometry. However, you’re often stuck dealing with unsightly layer lines and other surface imperfections....
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New Contest: Train All The Things
The old way was to write clever code that could handle every possible outcome. But what if you don’t know exactly what your inputs will look like, or just need a faster route to the final results? The...
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Reverse Engineering Yokis Home Automation Devices
These days, it’s hard to keep track of all the companies that are trying to break into the home automation market. Whether they’re rebrands of somebody else’s product or completely new creations, it...
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HDD-Driven Chime Clock is Quite Striking
It seems that the more hectic life gets, the harder it is to consciously slow down and enjoy the experience. There’s always another bill to worry about, and a new deadline around the corner. The last...
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Form 3 SLA Printer Teardown, Bunnie Style
[Bunnie Huang] has shared with all of us his utterly detailed teardown on the Form 3 SLA printer from Formlabs (on the left in the image above) and in it he says one of the first things he noticed when...
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Bringing the Blockchain to Network Monitoring
If you need to make sure your computer isn’t being messed with, you’ll have a look at the log files. If something seems fishy, that’s grounds for further investigation. If you run a large network of...
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A Battery Sipping Cellular Mailbox Notifier
Like many of us, [Zak Kemble] has an indeterminate number of tiny packages coming his way from all over the globe at any given time. Unfortunately, the somewhat unpredictable nature of the postal...
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Winners of the Take Flight with Feather Contest
It’s hard to beat the fidelity and durability of printed text on paper. But the e-paper display gets pretty close, and if you couple it will great design and dependable features, you might just prefer...
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Paper Glows Up With This Origami Wall Piece
[Charlyn] recently found herself dissatisfied with the blank expanse of her bedroom walls. Deciding to take matters into her own hands, she set out to build this exquisite origami wall sculpture. The...
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Scorigami Bot Charts NFL History In The Making
NFL Football is a curious game to those who live beyond the borders of the continental United States. Its rules are many and complex, and its scoring system is built on arcane magic. This system means...
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The Truth is in There: The Art of Electronics, the x-Chapters
If you’ve been into electronics for any length of time, you’ve almost certainly run across the practical bible in the field, The Art of Electronics, commonly abbreviated AoE. Any fan of the book will...
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