This Vending Machine is for the Birds
The early bird may get the worm, but [Stephen Chasey’s] birds only get to eat if they are smart. He’s created a vending machine for bird feeding. While this is
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Misc Hacks
Secret Bookshelf Door Uses Hidden Fingerprint Scanner
What is it that compels us about a secret door? It’s almost as if the door itself and the promise of mystery is more exciting than whatever could lay beyond.
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Automatic Coin Sorter Brings Order to Your Coin Jar
Few things hold as much promise as the old coin jar. Unfortunately, what’s generally promised is tedium, as one faces the prospect of manually sorting, counting, and rolling the accumulated
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Your Childhood Inventions Brought to Life
If you are the kind of person who reads Hackaday, you probably spent time in school doodling little design day dreams. [Allen Pan] gets it, and he’s taken it upon
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Carbon Fiber and Kevlar Make This Linear Actuator Fast and Strong
When it comes to the “build versus buy” question, “buy” almost always wins. The amount of time you have to put into building something is rarely justified, especially with a
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The Shuttle Engine Needed 3D Printing, But…
If we asked you to design a circuit to blink a flashing turn signal, you would probably reach for a cheap micro or a 555. But old cars used bimetallic
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Miniature Concrete Hoover Damn Is Tiny Engineering Done Right
Growing up, we got to play with all kinds of things in minature. Cars, horses, little Lego houses, the lot. What we didn’t get is a serious education with miniature-sized
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New Tool Helps Create Laser-Cut Doom Maps
Doom has a larger cultural footprint than the vast majority of video games ever made. That inspired [Theor] to see if it was possible to laser-cut some of the game’s maps
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Little Twitter Game Boy Won’t Work Now the API Is Dead
Twitter, like many social networks, used to feature a useful API. This let people do fun things like create toasters that could automatically post breaderly updates, or even load Twitter
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Automated Shusher Keeps Conference Loudmouths in Line
Few things are more annoying than being at a conference and having an inconsiderate group conducting a vociferous sidebar that drowns out the speaker. More annoying still is the inevitable
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