Fingerprint Based Biometric Voting Machine using Arduino

We all are quite familiar with Electronic Voting Machines, where your vote gets registered electronically and you don’t need to use ballot paper to vote in election. Today security is a major concern and it also needs to be ensured that someone can’t vote twice, so this problem can be solved by introducing Finger Print Based Voting, where a person can be authorized based on his finger Print. This will also ...

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Arduino-Powered Laser Engraver

Hi everybody, my name is Michiel and I am going to show you how to make an awesome looking laser engraver! A couple of months ago, there was a CNC challenge here at instructables, while checking out the entries of that contest, I saw some pretty cool engraving machines and I thought: "Why shouldn't I make my own?". And so I did, but I didn't want to make someone else's project, I wanted to make my own. And ...

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Making sound (noise) machines using Arduino

As a part of being an artist in residence at Instructables, I took it upon myself to build of couple of noise machines / music boxes. My interest lies in designing objects that would enable people to explore the world of sound synthesis and for me to get a better understanding on how the different interfaces enables different interactions and sound qualities. It has been an intense experience. Trying to bui ...

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How does a machine smell? Better than it did

Every odour has its own specific pattern which our noses are able to identify. Using a combination of proteins coupled to transistors, for the first time machines are able to differentiate smells that are mirror images of each other, so called chiral molecules, something that has not been possible before. The human nose can distinguish between some of these molecules and the different forms of the same mole ...

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Polargraph Drawing Machine

This machine, a variation on the hanging-pen plotter is a conspicuous and wilfully naive attempt to break out of the pristine, pixel perfect, colour-corrected space that exists inside our computers. It's a drawing machine, that takes a pen (a human tool) and uses it to draw in a singularly robotic way, with some grand results. It doesn't draw at all like we would (though it could), and we would struggle to ...

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The Arduino Noise Machine

Okay, okay, I know you all were wondering what I am up to now. I love synths and so, I built this. There are three things that can catch my attention: Synthesizers, Amplifiers and free. The other day (Actually it was just Thursday) I was cruising around Make's website when I saw the Deal of the Day was the Loud Objects Noise Toy. I had seen it before but had not cared much for it. I the n saw a Vimeo video ...

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Othermill on Kickstarter: a robust, personal CNC machine for milling circuit boards and more

My friend Jonathan Ward and the rest of the team at Otherfab have posted their new CNC milling machine, the Othermill, to KickStarter. This is a robust, low-cost machine for milling circuit boards, wax molds, wood, aluminum and more. The machine is made from high density polyethylene with an ingenious snap-fit mechanism that’s strong, reversible, and easy-to-assemble (although the machines will come fully a ...

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Motion Triggered Fog Machine using an Arduino

Fog machines can be unruly beasts. Especially the non-professional models you buy for halloween. With low duty cycles, causing massive amounts of fog when you don't need it, and no fog when you do. Wouldn't it be nice to have fog only when people come up to your house? Yeah, I thought so too. Here we are going to make a motion triggered fog machine that will turn on when ever someone comes up to your door. ...

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Arduino Noise Machine Jacket

As a project for one of my college classes, we were asked to create something using the Arduino. After a few different ideas, I settled on putting an Arduino noise machine into a suit jacket. It uses parts of the jacket to make function, so that it appears that the jacket is making sounds for no reason. The code that I used was from blinkyblinky, and can be found here. Using his project as the basis, its a ...

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Kid’s Game to Arduino Enigma Machine

The technology behind Enigma machines and the work done to crack them has influenced cryptography, cryptanalysis, and computer science in general.  If you're unfamiliar with Enigma machines, it's a device that was developed near the end of World War I, then used extensively by the Nazi regime in World War II, to encrypt messages.  The allies (the British in particular) worked tirelessly to break the code.   ...

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