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Tag: Misc Hacks

Driving Three-Color E-Paper Pricetags With An Arduino

ePaper pricetags are becoming popular parts in the hacker community as a cheap way into tinkering with the technology. got his hands on...

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A 3D Printed Marble Run Features Neat Elevator Linkage

There’s seldom anything as joyful and relaxing to watch as a simple marble run. Of course, the thing about letting marbles fall under gravity...

Making Variable Capacitors By Stretching Aluminium Cans

Sometimes when you need a component, the best way to get it is by building it yourself. did just that, creating his own...

Today’s the Day You Finally Learn Quaternions

If you’ve ever dealt with orbital mechanics or sophisticated computer graphics, you’ve probably run across the math term quaternions. has a guide to...

Hackaday Prize 2022: Treadmill Becomes Human-Powered Generator

Running on a treadmill is a great way to workout, but what if the effort you put in could be put to use? This...

Fixing a Hot Shop, With Science

We know that pretty much everybody in the Northern hemisphere has had a hellish summer, and there’s little room for sympathy when someone busts...

Visual Mandela Effect: You Don’t Know Iconic Images As Well As You Think

Pop quiz, hotshot: does the guy on the Monopoly box (standard edition) wear a monocle? Next question: does the Fruit of the Loom logo...

Dead Spider Becomes Robot Gripper: It’s Necrobotics!

Robot arms and grippers do important work every hour of every day. They’re used in production lines around the world, toiling virtually ceaselessly outside...

Calculus Made Easy in the Car

If you had the traditional engineering education, you’ve made your peace with calculus. If you haven’t, you may have learned it on your own,...

Balloons Are The User Interface Of The Future

We’ve seen all kinds of interfaces come and go over the years, from keyboards and mice to lightpens and touchscreens. Now, a group of...

OpenJewelry, No Pliers Required

They say that if you want something done right, you gotta do it yourself. Oftentimes, that goes double for getting something done at all....

Down the Intel Microcode Rabbit Hole

The aptly-named team is offering you a chance to go down the Intel rabbit hole. If you learned how to build CPUs back...

Visual Cryptography For Physical Keyrings

Visual cryptography is one of those unusual cases that kind of looks like a good idea, but it turns out is fraught with problems....

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