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70 items tagged "pcs"
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9:01
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Hack a Day
The work which [Mark] did to mount this iPad mini in the dashboard of his Ford truck is commendable. It looks like it came from the factory this way, and the functionality matches that illusion. He actually started the project before he had the iPad mini on hand. A PDF that mapped out the exact [...]
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10:01
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Hack a Day
Pinch-zoom is a godsend (and shouldn’t be patent-able) and although we mourn the loss of a physical keyboard on a lot of device we use a tablet nearly as often as we do a full computer. But the touch screen interface is not open to everyone. Those who lack full dexterity of their digits will [...]
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17:00
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SecuriTeam
This allows remote attackers to hijack the authentication of arbitrary users for requests that modify data or cause a denial of service.
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16:01
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Hack a Day
It’s easy to forget the layer upon layer of technological advances that led to the computers we use today. But this look at the state of the art half a century ago does a good job of reminding us. Here [Fernando J. Corbató] explains the concept of Time-Sharing. He is one of the pioneers of [...]
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8:00
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Hack a Day
Since the first time [Matt] saw an e-paper display, the idea of using it as a regularly updated, non real-time display consumed him. It really is the perfect platform for very readable calendars, agendas or, as [Matt] found out, a weather display. [Matt]‘s build uses a server to fetch and parse weather data and forecasts from NOAA. [...]
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12:01
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Hack a Day
If you really know your Magic the Gather and you’re a programming wiz you’ll appreciate this paper on building a functioning Turing Machine from Magic the Gathering cards. We’re sure you’re familiar with Turing Machines, which uses a rewritable strip to store and recall data. Most of the time we see these machines built as… [...]
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16:01
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Hack a Day
[TGTTGIT] recently took the plunge and decided to build his own computer using logic chips. He just completed a 4-bit ALU which can compute 18 functions. It took a long time to get the wiring right, but in true geek fashion his build was accompanied by an alternating Chapelle’s Show and Star Trek: TNG marathon playing in [...]
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13:01
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Hack a Day
This 32-bit computer is a project [Bogdan Marinescu] built as a contest entry. Sadly he didn’t win, but he did do an excellent job of documenting the build. Having seen several other home built PC projects we’re familiar with the challenges that go into such a thing, and he found some great solutions to each [...]
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5:01
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Hack a Day
The USB ports on this work station are locked. In order to use a USB device you’ll need to insert a Smartcard into the reader seen above. The interesting thing here is that this shouldn’t affect your ability to charge a USB device. When you visit the link above make sure to check out the [...]
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13:01
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Hack a Day
[LuckyNumbrKevin] wanted an epic monitor array of his own but didn’t really have the desk real estate to pull it off. His solution was to build a three computer monitor mounting rack with a relatively small footprint. The design started with some virtual test builds using SketchUp. Once he had it dialed in he began [...]
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12:01
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Hack a Day
Personally we find this Ball-Grid Array chip-swap rather horrifying. But if you want to beef up the processor on your 701 Eee PC this is what you’ll need to go through. Not only did [Red Fathom] upgrade to a 1.6 GHz chip, but he managed to get the computer to boot up with the new [...]
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7:01
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Hack a Day
[Quinn Dunki] just moved to a new work space and had to pack up her homebrew computer project — called Veronica — in the process. She just unboxed it again and decided now was a good time to fortify the VGA display hardware. It wasn’t in the greatest of shape, since everything for the initial [...]
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4:01
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Hack a Day
The D16/M is a 16-bit computer built using HCMOS logic chips. It’s a thing of beauty from every angle thanks to the work [John Doran] put into the hobby project. But he didn’t just take pictures of the build and slap them on a webpage. He took the time to publish a remarkable volume of [...]
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16:01
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Hack a Day
It looks like [Renate] has been pounding out hack after hack on her Nook touch. It stands on its own now thanks to a tripod bracket hack which is the most recent work she’s done. But there are bunch of other modifications, all of which are linked after the break. We believe that this is [...]
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12:01
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Hack a Day
This TRS-80 Model 100 is a lot more powerful than you might think. That’s because [Karl Lunt] is using it as an enclosure for his Raspberry Pi board. Since the ARM-powered device comes sans-enclosure it’s fun to see a retro choice like this one. And having had to go out and buy a USB keyboard [...]
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11:30
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Hack a Day
A lot of Linux users include system monitor information in their status panel so that they can see when the CPU is grinding away. [Kevin] is taking the concept one step further by changing his case lights based on CPU usage. Above you can see green, orange, and magenta, but [Kevin's] implementation uses the full [...]
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16:01
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Hack a Day
[Kyle] has been hard at working building an 8-bit computer from the ground up. He’s using a set of logic IC’s for the various components, and some NVRAM chips to store the control words. What you see above is the roadmap for his instruction set. He’s just started writing them to the chips, making the [...]
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11:01
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Hack a Day
You’re going to want to do some stretching before undertaking a soldering project like this one. We’re betting that the physical toll of assembling this 4-bit discrete processor project is starting to drive [SV3ORA] just a bit crazy. This small piece of electronic real estate is playing host to 62 transistors so far, and he’s not [...]
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6:01
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Hack a Day
Here’s a cool add on that could making racing games just a little more engaging. How about a real instrument cluster? [Herctrap] has written up the schematics and shared the code to get a real car’s instrument cluster to be driven from x-sim. It is a slightly different approach than we’ve seen before, but really [...]
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16:24
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Hack a Day
We’ve enjoyed seeing the development progress of Veronica, [Quinn Dunki's] 8-bit computer project. It started out on a breadboard, then moved to edge-connected PCBs, and now [Quinn] has given Veronica a body of her own. The donor is a Philco Model 42-327T and was produced in 1942. It was chosen because it is non-functional and [...]
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16:02
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Hack a Day
Here’s a way to look hip and destroy books at the same time. This table cover is made from an old hardcover book. It’s not difficult to do, an afternoon is all it takes, and if you follow all of the instructions we’d bet this will hold up for a long time. It’s basically another [...]
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10:01
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Hack a Day
[Quinn Dunki] has been busy through the holidays giving her 6502 processor-based computer a place to live. The most recent part of the project (which she calls Veronica) involved designing and etching a mainboard for the device. In the picture above it’s the vertical board which is right at home in the backplane [Quinn] also [...]
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12:01
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Hack a Day
[Arnuschky] was looking for a network storage solution that included redundancy. He could have gone with a new NAS box, but didn’t want to shell out full price. Instead, he picked up a Dell PowerEdge 2800 and hacked it for SATA drives and quiet operation. It’s not surprising that this hardware can be had second-hand [...]
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15:34
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Hack a Day
[Kevin Haw] is the proud owner of a brand new Kindle Fire. But to protect the investment he wanted a nice looking case and decided that DIY was the way to go. He ended up repurposing a Moleskine journal as a table cover. You can do this one yourself in under an hour. Most of [...]
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5:01
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Hack a Day
XDA forum member [craigbru] wanted to beef up the audio setup in his Jeep, and thought that his Nook Color would make a suitable replacement. Since he jailbroke the e-reader, the head unit upgrade lets him do just about anything you can imagine, all from the comfort of the driver’s seat. Seeing that he would [...]
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7:08
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Hack a Day
[Richard] wanted to create a color profile for his computer monitor, but he wasn’t thrilled with the existing color calibration offerings he found for sale. Color calibration tools can be somewhat costly, but even more troubling to [Richard] was the fact that they are all closed source. Closed hardware and closed software can be a [...]
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11:57
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Hack a Day
[Jeremy] had an ASUS EEE PC 1000HE netbook on his hands which had succumbed to a corrupted BIOS. In most situations, people replace a motherboard when the BIOS is damaged beyond repair, but considering the price of motherboards, especially those built for portable devices, he simply refused to go that route. Instead, he took it [...]
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9:04
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Hack a Day
As devices get smaller and smaller, it becomes a bigger challenge for engineers to squeeze a product’s components into an ever shrinking footprint. [Bulgarien] certainly found this to be the case with his Asus Eee Pad Transformer. He was not impressed with the volume or clarity of the tablet’s audio, so he disassembled it to [...]
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11:06
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Hack a Day
[hedgehoginventions] wrote in to share a little modification he made to his video card in order to keep it from overheating during strenuous 3D tasks. Having swapped out the stock cooler on his Nvidia 9600GT graphics card, he found that it did not need to utilize the fan while doing mundane things like checking email, [...]
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12:00
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Hack a Day
The problem of persistent and reliable storage plagues us all. There are a myriad of solutions, some more expensive than others, but a dedicated and redundant network attached storage solution is hands down the best choice for all problems except natural disaster (ie: fire, flood, locusts) and physical theft. That being said, the issue of price-tag rears [...]
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7:04
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Hack a Day
Instructables user [Jan] likes to keep close tabs on his computer’s memory usage, but wanted something more interesting to look at than the standard resource manager. He preferred to have an external display available that would show his computer’s status with a quick glance, and thus this system monitor was born. His status panel contains [...]
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13:36
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Hack a Day
[Bill's] worked on his homebrew computer for almost a decade. He didn’t start with a Z80 processor like a lot of the projects we’ve seen, but instead build the CPU itself from 74-series TTL chips and a ridiculous amount of wire wrapping to connect it all. The video after the break shows off the functionality. [...]
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10:00
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Hack a Day
Instructables user [Mike Craghead] was in the middle of building a very compact public computer kiosk when he ran into a problem with the processor fan. It was too big for the enclosure and had to be swapped out with a fan that did not allow the motherboard to monitor its rotational speed. Motherboards don’t [...]
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6:04
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Hack a Day
shackspace member [@dop3j0e] found himself in a real bind when trying to recover some data after his ThinkPad’s fingerprint scanner died. You see, he stored his hard drive password in the scanner, and over time completely forgot what it was. Once the scanner stopped working, he had no way to get at his data. He [...]
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12:01
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Hack a Day
[John W. Linville] wrote a digital video player for the Tandy Color Computer (aka TRS-80). The decades-old hardware performs quite well considering the limited resource he had to work with. This is the second iteration of his player, and can be seen after the break playing a promo video for CoCoFEST 2011 where he’ll show [...]
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10:02
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Hack a Day
You may not have ever thought about it, but the far-too-often-used keyboard combination of Control + Alt + Delete had to have been brought into existence by some random coder at some point in technological history. But wait, it wasn’t just a random coder. The keystroke combo is attributed to [David Bradley]. He was one [...]
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4:03
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Hack a Day
[Didier Stevens] wrote in to tell us about a little piece of PC security software he put together recently. His application, LockIfNotHot, works in conjunction with your PC as well as an IR temperature sensor in order to lock your computer the moment you step away. The theory behind the system is pretty simple. Basically, [...]
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11:30
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Hack a Day
[Viktor] decided to replace his old power hungry home server with a model that is much easier on the old electric bill. The new motherboard uses an Intel Atom chip and consumes far less power than its predecessor. He figured there was no reason to use a bulky ATX power supply when all he needed [...]
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4:02
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Hack a Day
[Marc] is pretty unsatisfied with hard drive docking stations as a whole. He says they are typically slow and unreliable, causing him all sorts of grief while he is troubleshooting a questionable hard drive. He decided to take some of the mystery out of the troubleshooting equation and built a standalone SATA power module. Aware [...]
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10:02
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Hack a Day
Here’s a desktop you can take with you. [Rbean] built it at a hackerspace in Milwaukee, Wisconsin (go Badgers!) using very basic materials and techniques. The utilitarian construction of the wooden body reminds us of Cub Scout tool box projects. It features an open space in the top which house the keyboard and mouse during [...]
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15:02
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Hack a Day
Ask anyone who has ever owned a car with a manual gearbox – in real life and in video games, nothing beats stick shift. Rather than shell out gobs of money to purchase a pre-made shift box, forum member [nikescar] built his own for about $20. Using some scrap wood and a plastic cutting board, [...]
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5:06
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Hack a Day
[Marek Walther] uses a ThinkPad x41 tablet for business on a daily basis. Since he’s on the go with the device he figures that hardware failure is eventually going to strike and with that in mind he purchased a second unit – slightly broken – to fix as a backup. He had never been excited about [...]
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4:04
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Hack a Day
This hardware is used to keep a computer monitor awake when there is motion in the room. The monitor displays important information for firefighter in the vehicle bay, but only needs to be on when they are getting ready to go out on a call. The solution is a simple one, a PIR sensor combines [...]
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14:00
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Hack a Day
We’re not sure whether to call this an Etch-a-Sketch upgrade or a computer interface downgrade but either way it’s unique. [Martin Raynsford] added a familiar red frame to his computer monitor with classic white knobs that control horizontal and vertical cursor movement. There’s even the click option by pressing the buttons in and, as you can see [...]
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12:36
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Hack a Day
[Brian] came up with an interesting PC cooling setup. He lives up north where it’s chilly in the winter. Using a bit of dryer ductwork and he was able to harness the outside air to cool his box. The system uses a window insert along with a dryer hood to suck in the outside air [...]
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9:30
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Hack a Day
These calculators are networked together, able to pass information and play games on a multi-screen playing field. All of this is thanks to [Christopher Mitchell's] work on a package called CalcNet. This networking software takes advantage of [Christopher's] shell and GUI for TI calculators called Doors CS. To demonstrate the high reliability and throughput of [...]
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8:11
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Hack a Day
Here’s a way to display which friends are logged into chat. This uses the same G-35 hacked Christmas lights we saw earlier in the month. [Andrejk's] company uses Microsoft Lync as their chat protocol when working in teams. The service has an SDK that allowed him to write some .NET code to check status and [...]
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19:54
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Hack a Day
Hidden behind the white face plates of this machine are racks of gears that make up a replica of one of the oldest known mechanical computers. This is a working model of the Antikythera mechanism made from Lego pieces. In the video, which you absolutely can’t miss after the break, The machine is disassembled into [...]
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13:00
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Hack a Day
Here’s a fancy way to convert an ATX powers supply into a bench supply. [TG] didn’t just cut off the motherboard connector and add banana plugs, but improved the functionality. Right off the bat you’ll notice that he’s added a control panel. There is an Ammeter and Ohmmeter to let you know what the unit [...]
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13:00
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Hack a Day
Looks like some hardware enthusiasts have worked out a method to enable debug mode within AMD processors. The original site isn’t loading for us, but the text has been mirrored in this comment. Getting the chip into debug mode requires access passwords on four control registers. We’ve read through the writeup and it means very little [...]
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11:00
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Hack a Day
This swivel arm LCD screen is [Ben Heck's] latest hack. It replaces the hinges that normally only allow one point of rotation on the screen. You can still use the laptop like normal, but when space is at a premium a second adjustment, both in rotation and linear position, has been added using the slots [...]
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8:16
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Hack a Day
Why store it in the cloud when you could have a 90 Terabyte hard drive (translated) array in your house? The drives are mostly Western Digital Caviar Green EARS 2TB models which are known for energy efficiency and quiet operation. It’s a little unclear as to whether this is using one or two motherboards, but the drives [...]
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11:00
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Hack a Day
[SXRguyinMA] built a replacement top bezel for his computer case. He wanted to add vents that would automatically open or close based on the cooling needs of the computer. With some careful measurements he modeled the parts in Sketchup and sent out for them to be cut from styrene with a water jet cutter. The [...]
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7:00
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Hack a Day
[Jim] was the happy recipient of 11 non working Itona VXL thin clients. The units he received were 800Mhz CPUs with 256 MB of Ram and 256MB of storage. None would power up. Upon internal inspection, he found a common theme. Leaky bulging capacitors in the power supplies. Since these came with custom 50W power [...]
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5:13
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Hack a Day
[Jack Toole] and his team [Aaron King] and [Libo He] sent in their computer interface dubbed the Chronos Flying Mouse. The video above explains the concept very thoroughly, but we’ll reiterate some of the highlights here. The project uses a Chronos EZ430 with its accelerometers to wirelessly transmit delta positions of the user’s wrist. Add [...]
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9:00
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Hack a Day
35 years following its introduction, and despite fewer than 100 systems deployed, the Cray-1 remains one of the most recognizable computers in history; it is a timeless icon of pure supercomputer badassery. Custom case builder [Daryl Brach] pays homage to this classic with his third-scale model housing two modern PC motherboards. In an interesting reversal, the [...]
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8:37
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Hack a Day
[Retromaster's] Ultimate Floppy Emulator is a wicked display of hardware mastery. It is the culmination of several design stages aimed at replacing an Amiga floppy drive with a modern storage solution. You may be thinking that using an SD card in place of a floppy isn’t all that interesting but this hack does much more. [...]
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13:00
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Hack a Day
Who needs metal, wood, or acrylic if you are talented with duct tape? This server is housed in a 20-sided enclosure made entirely of duct tape, 22 rolls of it. A team of seven completed the project after eight build session over the course of about ten days. It’s currently in use at this year’s [...]
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12:00
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Hack a Day
[Rui Gato] needed a powerful yet portable machine for his performances. If it’s on stage shouldn’t it look good too? We loved watching him construct an acrylic case for his setup. He’s skilled with a rotary tool and the work he put into the case fan grill alone is impressive. Video after the break.
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8:00
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Hack a Day
[Steven Pigeon] got his hands on ten iPaq computers that a friend acquired through an eBay auction. The older machines were in good condition but the march of technology had left them behind as casualties. He’s given them new life by assembling a cluster. The first order of business was testing the hardware to make [...]
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10:00
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Hack a Day
[Darrell] is using a sound card to drive this servo motor. The motor draws power from a cellphone battery with the control signal coming from one of the audio channels. It’s not too surprising that this works since the motor just needs a PWM signal to operate and that’s what is used to create the [...]
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12:00
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Hack a Day
The Altair computer is commonly considered the genesis of personal computing and for that reason it has a special place in the hearts of many. [Bob Alexander] brings back the glory of the Altair 8800 plus a lot of added computing power. This PC case houses a Core i5 system but the front panel isn’t [...]
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12:53
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Hack a Day
The Blender Foundation has just received a new render farm. It came in the form of a four-drawer file cabinet something akin to the popular Ikea clusters. Each draw holds four motherboards, power supplies, and hard drives and the whole cabinet will eventually add up to a 16-node cluster. Join in on the geeky excitement [...]
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12:00
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Hack a Day
Need to monitor not only if a fan is running, but if it is running fast enough? Check out this PC fan failure alarm circuit. After several failed attempts using various circuits, they settled on a Schmitt trigger. They even show a couple variations including a manual reset and a relay instead of a buzzer.
[via [...]
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8:17
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Hack a Day
The JooJoo exists. With all of the recent media coverage of the iPad, we’ve had a chance to hear some interesting discussion and heated debates. Usually the more tech savy and the hackers are most upset about the “closedness” of the hardware and software. We have heard of many alternatives, but usually they’ve been pretty [...]
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8:41
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Hack a Day
We see it all the time, a post based on an Arduino board with multiple comments calling it overkill. How exactly should you control your homemade peripherals if you’re not using a microcontroller (uC)? [JKAbrams] and [Tim Gremalm] answered that question with this printer port (LPT) adapter. They wanted an indicator light when someone in [...]
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13:00
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Hack a Day
Are you still using heat sinks and fans to cool your computer? Lame. Tearing up your property to bury geothermal coils is definitely the way to go. [Romir] has been working on this for about a month and is just getting back data from the first multi-day tests. Take some time to dig through his [...]
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14:00
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Hack a Day
[Patrick Becker] had an ancient PC on his hands with a blown PSU. He converted this into a stylish home for his Betta splendens.
The aquarium itself is fashioned from a piece for construction glass block with the top cut off. This allows for a window that looks through the tank and shows off the motherboard [...]
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6:31
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Hack a Day
[F00] wrote in to show us his Eeepc that has been modded with almost every upgrade you can cram in one. He has an external cantenna for his wifi, an iPod hard drive, touch screen, added bluetooth with indicator lights, and an internal USB drive for booting linux. While the details are somewhat lacking on [...]
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7:52
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Hack a Day
The folks over at Engadget have posted some pictures of the ExoPC’s insides. With the recent return of the tablet craze (remember xp tablet edition?) we’re seeing tablets everywhere. This one has some promise on the hardware side, sporting a 1.6GHz processor and 2GB of RAM. Unfortunately we’ve heard using solely a tablet interface with [...]
0day.today (was: 1337day, Inj3ct0r, 1337db)
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