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39 items tagged "hand"
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10:00
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Hack a Day
This Van de Graaf generator was built using mostly parts on hand. The only thing that was purchased for the project was the Christmas ornament shaped M&M candy tin that serves as the collecting sphere. We didn’t include the in-action shot in the banner because it’s so dark. But sure enough, this will generate the [...]
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3:01
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Hack a Day
He human hand is one of the most impressive pieces of machinery – biological, mechanical, or otherwise – that you’ll ever lay eyes on. With two dozen degrees of freedom, the hand can gently caress the most fragile flower petal without bruising it, or beat a hammer into an anvil with tremendous force. Simulating the human hand, however, [...]
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7:20
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Hack a Day
Okay, we think it’s questionable when people say they have no problem soldering QFN packages, but BGA? Granted this chip has far fewer balls on it than many, but it’s still quite impressive that [Xevel] was able to solder this BGA breakout by hand. The chip you see above is a TMP006 infrared temperature sensor from TI. [...]
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21:55
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SecDocs
Authors:
Stefan Sels Tags:
spam Event:
Chaos Communication Congress 19th (19C3) 2002 Abstract: SPAM is a growing problem that is hard to fight. On the one hand you want to communicate with everybody, on the other hand you don´t want to be filled up with SPAM. To fight spam effectifly there are some server and clientside solutions which help and put some mails into the trash by their own.
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21:55
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SecDocs
Authors:
Stefan Sels Tags:
spam Event:
Chaos Communication Congress 19th (19C3) 2002 Abstract: SPAM is a growing problem that is hard to fight. On the one hand you want to communicate with everybody, on the other hand you don´t want to be filled up with SPAM. To fight spam effectifly there are some server and clientside solutions which help and put some mails into the trash by their own.
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9:01
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Hack a Day
We think this hand cranked robot design is nothing short of absolute brilliance. The toy is remote-controlled through a short section of wire. It can drive forward and turn, but not at the same time. Still that’s impressive considering it uses no battery or power supply and, of the two servo motors, only one is [...]
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14:01
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Hack a Day
While I was at Heatsync Labs in Mesa Arizona, [Nate] mentioned that he was really proud of helping someone build a robotic hand. I have tracked down that project because it looked pretty cool. [Macguyver603] built this robotic hand that is controlled by a glove with flex sensors. He was originally going to 3d print [...]
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11:01
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Hack a Day
[Hairygael] has been hard at work designing and building this robot structure that can be completely 3d printed. He’s admittedly not a big electronics person, so most of his focus has been on the design and construction of the bot frame. So far, he as a fully 3d printable (and available for download) hand that [...]
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11:01
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Hack a Day
This is a blinky ball that [David] designed, built, and programmed himself. Does it look familiar? It should, he took his inspiration from the original prototype, and the Hackerspace-produced derivative. [David's] version is not as small, or as blinky, but in our minds the development process is the real reason for building something like this. [...]
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15:21
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Hack a Day
Don’t mind me, I’m just listening to some tunes during our poker game. Well, that and getting some electronic coaching about poker odds. This board lets you wiggle your toes to input the upcards, and those in your hand. After each entry the gadget will tell you your odds of winning the hand. Take it [...]
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10:01
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Hack a Day
What if you could add gesture recognition to your computer without making any hardware changes? This research project seeks to use computer microphone and speakers to recognize hand gestures. Audio is played over the speakers, with the input from the microphone processed to detect Doppler shift. In this way it can detect your hand movements [...]
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10:57
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Hack a Day
DSLRs aside, the price of digital cameras these days can make it easy to consider just tossing your old one out when it breaks. [Leonidas Tolias] had another idea, and with a few broken cameras he had on hand he constructed a slick little pocket-sized projector. The project started out as a pair of lenses [...]
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10:01
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Hack a Day
To us it makes a lot of sense to hold the tablet in one hand and type with the other. That’s exactly how [Adam Kumpf] has implemented this one-handed typing interface which was originally conceived by [Doug Engelbart]. As you can see, there’s a large contextual area for each finger on your right hand. Letters [...]
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7:01
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Hack a Day
[Nirav] painted this masterpiece by hand… with a little help from a computer. He calls it the semi-automatic paintbrush because you do need to move it over the canvas by hand, but a computer decides when to dispense the ink. He’s using a piece of hardware we looked at back in September called the InkShield [...]
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11:30
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Hack a Day
[Martin] wrote in to share a project his company has been working on for some time, a gigantic 1470 pixel LED wall. The group provides lighting for clubs, parties, etc, and their hand-built LED matrix is always certain to be the hit of the show. The amazing matrix was designed from the ground up and [...]
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6:01
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Hack a Day
[Dominik’s] daughter had an old toy piano that she loved, but when the batteries started to die down, it played awful tones and sounded generally out of tune. While this is likely something our circuit bending friends might be interested in, [Dominik] preferred when things sounded more cheery. He considered simply replacing the batteries, but [...]
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16:15
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Hack a Day
This theme has been tricky to write for. On one hand, here at Hackaday, we are excited about doing anything that will allow us to not consume as many resources but on the other hand, when you really look closely at things, pretty much everything that we do in our modern lives isn’t sustainable. We [...]
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4:05
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Hack a Day
The Kinect is an interesting beast. On one hand, it’s fantastic for hacking – a purpose for which it was not designed. On the other hand, it’s “just OK” when it comes to gaming – its entire reason for being. One of the big complaints regarding the Kinect’s control scheme is that it’s no good [...]
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13:14
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Hack a Day
[Easton] as been working with [Jeremy Blum] to come up with the newest version of his animatronic hand. You may remember seeing [Easton's] first animatronic hand, with which he won his regional science fair and made a trip to nations. Since then he’s been working on improvements, and with access to [Jeremy's] Makerbot he harnessed [...]
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13:34
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Hack a Day
Here is a hack that takes the stick out of the blind mans hand. [Steve] has been working on the Tacit, a wrist mounted sonar device with haptic feedback, it’s like strapping a bat to your wrist to help you see. The Tacit uses two sonar ping sensors to measure the distance to the nearest [...]
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4:07
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Hack a Day
[Emi Tamaki], [Miyaki Takashi] and [Jun Rekimoto] at the University of Tokyo came up with a device called the PossessedHand that electrically stimulates muscles to train someone to play a the koto, a Japanese stringed instrument. The PossessedHand ‘triggers’ individual fingers with precisely placed electrodes. Sixteen joints in the hand can be controlled independently by [...]
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13:01
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Hack a Day
When [Bill Porter] works on a project, he says that he typically writes his own NMEA standard communications protocols to fit the job at hand. While it makes things easy to troubleshoot, he admits that his custom protocols are wasteful of both processor time and bandwidth. Binary communications on the other hand are more efficient, [...]
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5:01
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Hack a Day
Jeff is a huge music fan, and like many of us likes old technology, so it seemed a bit silly (to him) that he did not have a turn table. His dad had a spare in the basement. A neat old Braun model from the 1970′s that was broken. Opening the unit up he found [...]
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12:01
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Hack a Day
If you have visited a hospital any time recently, you probably noticed quite a few automated hand sanitizer dispensers scattered throughout the hallways and in each patient’s room. Since hospital-acquired infections are a growing problem, there has been a push for all personnel to use these hand sanitizers regularly to lessen the likelihood of spreading [...]
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13:52
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Hack a Day
[David] recently wrote us to share the portable Nintendo 64 he constructed with the help of the friendly people over at the ModdedbyBacteria forums. We are no strangers to N64 portables, as you may have noticed, but this one was just too good to pass up. Sheathed in a metallic blue case, this console is [...]
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5:01
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Hack a Day
[Easton] was looking to enter his local science fair and needed a project that would wow the judges. After considering it for a bit, he decided that an animatronic hand would be a sure winner. Many animatronic projects we have seen are connected to a computer for control purposes, but his is a bit different. [...]
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10:00
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Hack a Day
Get your Terminator clichés ready, this robot hand reeks of Skynet. It is designed to function like the human hand, but the main goal is one of robustness. A lot of effort went into making sure this won’t break in the field. Instead of rigid gears, a system of tendons actuates each digit. The pulleys [...]
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11:00
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Hack a Day
Inspired by the control system for the AMP suits in the movie Avatar, [Feelpavan] built this gesture controlled robotic hand. So far there is functionality for the wrists to rotate and bend, as well as for the fingers to flex (but not individually). This is accomplished by three servo motors on the hand assembly. The [...]
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13:00
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Hack a Day
[Jair2K4] is using his unique RFID tag address as an online password. We’d bet that if you went far enough to get an implant in your hand you’d continually search for a reason to use it. Wanting to do more than just start his car with a wave of the hand, he built an interface [...]
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7:00
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Hack a Day
[Mazvydas] shares with us, his cheap robot hand. He was inspired by this project, where someone used an Arduino and a glove with some flex sensors to control a pre-made hand. He wanted to go a little more DIY though. He chose a picaxe microcontroller and constructed the hand himself out of twine, some plexi-glass, [...]
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12:00
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Hack a Day
[Matthew Daughtrey] is going to have one of his paws out of service for a while following some hand surgery. Making a living as a coder seems a bit harder with one hand but he was able to find some solutions online only to balk at price tags reaching $600. He came up with a [...]
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8:10
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Hack a Day
We’re pretty used to seeing CAD used in the design process for most things. It’s a bit of a shocker to come across a project this involve, and this well executed, that didn’t use CAD. [Anton] spent 100 hours building this manipulator arm by hand. He made the parts by drawing them on styrene and [...]
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15:04
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Hack a Day
[Kirov], a regular reader and one of our most notorious commenters, tipped us off about this lawn mowing hack. On one hand we’re wary that this is bait for a huge flame war, but on the other hand it’s a hack that brings a smile to our mischievous faces. By pounding a stake into the [...]
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9:29
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Hack a Day
Here’s two input devices you can easily build with materials you already have on hand.
To the left, [John] built a 3×3 keypad matrix from paper and tinfoil. The rows and columns are made up of strips of tin foil on the front and back layers of paper. The layers are separated by spongy double-stick tape. [...]
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9:43
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Hack a Day
This track is awful, someone skip it! This project does just that with a wave of your hand. A laser beam shines across a room and, when obstructed, it sends a command to an iPod. One wave pauses playback, two waves skips to the next track, and a constant obstruction jumps backward one track.
They’re using [...]
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