The Black Magic of a Disappearing Linear Actuator

Many of the projects we serve up on Hackaday are freshly minted, hot off the press endeavors. But sometimes, just sometimes, we stumble across ideas from the past that are simply too neat to be passed over. This is one of those times — and the contraption in question is …read more

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Actuator Opens the Door to Drier Dishes

Dishwashers are great at washing dishes and even rinsing them, most of the time. Where they tend to fail is in the drying part. Somehow these things dry hot enough to warp stoneware dishes, but not so well that things are actually dry when you open the door. Blame it …read more

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Flexible Actuators Spring Into Action

Most experiments in flexible robot actuators are based around pneumatics, but [Ayato Kanada] and [Tomoaki Mashimo] has been working on using a coiled spring as the moving component of a linear actuator. Named the flexible ultrasonic motor (FUSM), [Yunosuke Sato] built on top of their work and assembled a pair …read more

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Destroy My Vegetable Garden? Oh Hail No!

Building and maintaining a garden takes a lot of work. And unless you have a greenhouse, you’re forced to leave your hard work outside to fend for itself against the double-edged sword of the elements. Rain and sun are necessary, but hard, pelting hail is never welcome. Just ask [Nick …read more

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DIY Music Controllers for Raging With Machines

[Tristan Shone], aka Author & Punisher, found a way to make industrial music even heavier. This former mechanical engineer from Boston crafted his one-man band in the university fab labs of Southern California while pursing an art degree. He started machining robust custom MIDI controllers that allow him to get …read more

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Tiny Robots That Grow Taller (And Wider)

Sometimes one just needs an extra hand or six  around the workbench. Since you’re a hacker that should take the form of a tiny robot swarm that can physically display your sensor data, protect you against a dangerously hot caffeine fix and clean up once you’re done. [Ryo Suzuki] and …read more

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Plasma Globe Reveals Your Next Clue

If you like solving puzzles out in the real world, you’ve probably been to an escape room before, or are at least familiar with its concept of getting (voluntarily) locked inside a place and searching for clues that will eventually lead to a key or door lock combination that gets …read more

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