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8:01
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Hack a Day
The thought of using a 3D printer to fabricate PCBs is tantalizing and the good news is that it’s a reality. This project shows that it’s possible to use a special printer head to apply traces to an extruded substrate. This is similar to the point-to-point 3D printer circuits with one big upgrade. Now the traces [...]
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6:01
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Hack a Day
[CarryTheWhat] put up an Instructable on his endeavours in printing circuit boards for solder free electronics. He managed to print a flashlight where the only non-printed parts are a pair of batteries and a couple of LEDs. The circuit is a weird mix of point to point and Manhattan style circuit construction; after modeling a printed plastic plate, [CarryTheWhat] added [...]
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21:29
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SecDocs
Authors:
Jeff Gough Tags:
hardware hacking Event:
Chaos Communication Congress 27th (27C3) 2010 Abstract: Are you ready to wake up from the cult of Arduino? Tired of plugging together black-box pre-built modules like a mindless drone, copying and pasting in code you found on Hackaday? You've soldered together your TV-Be-Gone, built your fifth Minty Boost, and your bench is awash with discarded Adafruit packaging and Make magazines. It's time to stop this passive consumption. It's time to create something that is truly yours. It's time, my friend, to design your first circuit board. And you'll need a machine to print it. Outsourcing printed circuit board (PCB) manufacture can be expensive and slow. You want your board now, for free. And designing PCB's is hard. You'll make mistakes, and some boards will be wasted. You can etch your own PCB's at home but the process is fiddly, and notoriously difficult to perfect. What if you had a printer that could make PCB's? A rapid prototyping machine for circuit boards. In this talk I will present my progress towards an inexpensive PCB printer by reverse engineering Epson inkjet technology. And I'm not talking about the crappy print-and-bake method you might have seen on the internet. Come and learn about the miracle of microfluidics within the modern consumer inkjet printer, and how to push it to do new, exciting things. I'll be describing some reverse engineering techniques, a bit of electronics circuit design and the potential for 3D microfabrication with inkjet technology. A PCB will be printed and etched live, on stage, at 27C3!
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21:35
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SecDocs
Authors:
Jeff Gough Tags:
hardware hacking Event:
Chaos Communication Congress 27th (27C3) 2010 Abstract: Are you ready to wake up from the cult of Arduino? Tired of plugging together black-box pre-built modules like a mindless drone, copying and pasting in code you found on Hackaday? You've soldered together your TV-Be-Gone, built your fifth Minty Boost, and your bench is awash with discarded Adafruit packaging and Make magazines. It's time to stop this passive consumption. It's time to create something that is truly yours. It's time, my friend, to design your first circuit board. And you'll need a machine to print it. Outsourcing printed circuit board (PCB) manufacture can be expensive and slow. You want your board now, for free. And designing PCB's is hard. You'll make mistakes, and some boards will be wasted. You can etch your own PCB's at home but the process is fiddly, and notoriously difficult to perfect. What if you had a printer that could make PCB's? A rapid prototyping machine for circuit boards. In this talk I will present my progress towards an inexpensive PCB printer by reverse engineering Epson inkjet technology. And I'm not talking about the crappy print-and-bake method you might have seen on the internet. Come and learn about the miracle of microfluidics within the modern consumer inkjet printer, and how to push it to do new, exciting things. I'll be describing some reverse engineering techniques, a bit of electronics circuit design and the potential for 3D microfabrication with inkjet technology. A PCB will be printed and etched live, on stage, at 27C3!
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13:40
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Hack a Day
The look of this crystal clear resin brick is pretty amazing. [Rupert Hirst] decided to encase his amplifier circuit in a block of polyester resin. We just hope he got everything in his circuit right because there’s no way to replace any of those parts now! He deserves a lot of credit for working out [...]
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9:50
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Hack a Day
CircuitLab is an electronics simulator which you can run in a browser. Above you can see one of the example circuits provided to help show the power of the application. You can build your schematic (perhaps you want to try [Jeri's] psu shut-off timer?) in the editor mode, then switch over to the simulator to [...]
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12:18
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Hack a Day
Some of the pinball machines which [Jeri Ellsworth] has restored have ended up in the break room at her work. We’re sure her coworkers are thankful for this, but sometimes they forget to turn off the power to the machines, and letting them run constantly means more frequent servicing will be necessary. She set out [...]
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7:01
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Hack a Day
Here’s another circuit that can be used to squeeze the remaining potential from supposedly dead batteries. Just like the AASaver, we see this as a useful prototyping tool, providing juice for a breadboard even though it’s not reliable enough for long-term use (the batteries are just about through after all). First off, the image above [...]
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4:11
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Packet Storm Security Recent Files
This docket dictates the Eleventh Circuit Court's decision that the fifth amendment right protects a person against self-incrimination when being forced to decrypt a hard drive.
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4:11
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Packet Storm Security Misc. Files
This docket dictates the Eleventh Circuit Court's decision that the fifth amendment right protects a person against self-incrimination when being forced to decrypt a hard drive.
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8:01
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Hack a Day
Ah, the glitter of gold… or fake gold, we’re not really sure. But [Mike Hogan] and [PJ Santoro] have been working with faux gold leaf as a conductor on circuit boards. The device you see above is mounted on metal-covered paper substrate and it really works. They started by applying spray adhesive to heavy paper [...]
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12:01
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Hack a Day
Fabric dye is one of those products where it keeps popping up for unintended uses, we have seen it coloring printed circuit boards, and now a Macintosh computer? [The Brain]‘s project to add a little color to his Macbook has been done before, but he chooses to do it in a different way, which comes [...]
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9:01
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Hack a Day
It’s not everyday that we review software around here, but the folks at Adafruit recently put together an iOS app that I figured might be of interest. Their iPad/iPhone compatible application is called “Circuit Playground”, and it includes all sorts of handy electronics reference tools. For the context of this review, it should be noted [...]
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14:40
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Hack a Day
As far as battery technology goes, Lithium Polymer cells are the bee’s knees. They’re powerful enough to handle very demanding applications and come in a multitude of sizes for any conceivable application. There’s a problem with LiPos, though – they have the tendency to explode when charged incorrectly. Luckily, [Paul] sent in a great tutorial on [...]
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12:59
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Hack a Day
[Todd Harrison] took a slew of pictures in his quest to loose all the secrets of the G-35 Christmas Lights. These are a string of 50 plastic bulbs which house individually addressable RGB LEDs. We’ve seen a ton of projects that use them, starting about a year ago with the original reverse engineering and most [...]
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10:01
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Hack a Day
Our own [Mike Szczys] recently sat down and put together a great tutorial on building a Larson Scanner. The ubiquitous circuit is usually one of the first few projects on a budding hackers list of things to build, since they are just so darn fun. Simple versions of the scanner sweep back and forth lighting [...]
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4:01
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Hack a Day
It seems that [pppd] is always rushing out of his apartment to catch the bus, and he finds himself frequently questioning whether or not he remembered to lock the door. He often doubles back to check, and while he has never actually forgotten to lock the door, he would rather not deal with the worry. [...]
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6:00
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Hack a Day
A pair of 6-sided electric dice (original in Dutch, here’s the Google Translate link) was sent in on the tip line for our ATtiny hacks theme. We really appreciate the simplicity of the circuit; it really shows how the complexity of discrete components can be cut down with a simple microcontroller. The circuit is very [...]
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15:36
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Hack a Day
Make your next project solar-powered with this charging circuit. It’s completely through-hole, and there are no microcontrollers that need to be flashed. If you can source parts and are handy with a soldering iron building this will be a breeze. Both the maximum system voltage and the low voltage drop out are configurable. After assembly, [...]
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7:00
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Hack a Day
This week we are starting in on a series of videos that are pretty different from the past few. Most hackers go through a phase where they etch their own circuit boards. This lasts for a few projects until they need to use a surface mount part, need many circuit boards to be made, or [...]
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10:01
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Hack a Day
When designing a circuit on the bench, sometimes things work far better than they do in real life. [Quinn Dunki] learned this lesson over the last few months as she struggled with one of her recent creations, the Dish-o-Tron 6000. We featured the Dish-o-Tron back in April, and at that point things seemed to be [...]
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4:01
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Hack a Day
When looking for things to write about, there is nothing we like to see more than well-documented schematics and code available for download. In the case of schematics, we realize that they can be a bit of a pain to publish. Many times we see them in the form of blurry JPEGs or humungous PDF [...]
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16:01
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Hack a Day
Why spend time etching circuit boards and applying solder masks when all you really need is a rollerball pen and some paper? That’s what University of Illinois professors [Jennifer Lewis and Jennifer Bernhard] were asking when they set off to research the possibility of putting conductive ink into a standard rollerball pen. The product of their [...]
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5:05
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Hack a Day
[Bill Porter] has a tip for designing circuits that have multiple connections to a single microcontroller UART. This stemmed from a review of a friend’s circuit design that used the UART in the project, but also called for an FTDI chip in order to reprogram via USB and a bootloader. Unlike the schematic above, the [...]
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5:05
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Hack a Day
[manuka], aka [Stan Swan] is a teacher in New Zealand who enjoys enlightening his students on the wonders of electrical circuits. He primarily uses “snap connector” circuit kits, sold under the BrainBox name in NZ, for his interactive labs as they can be easily manipulated by pupils of all ages. While the kits are great, [...]
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10:09
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Hack a Day
While we’re all for building circuits on protoboard or constructing a deadbug circuit for a last minute project, it’s always nice to see a proper PCB now and again. We think that leftover flux can sometimes make even the nicest of circuit boards look a bit dingy, and Hackaday reader [RandomTask] wholeheartedly agrees. He wrote [...]
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14:21
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Hack a Day
Today marks the 50th anniversary of the first silicon integrated circuit patent. We should not have to explain how important the integrated circuit to this crowd, but it is the biggest thing in electronics since sliced bread. [Robert Noyce] received the landmark patent on April 25th 1961, and went on to found a little known [...]
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11:01
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Hack a Day
Instructables user [MacDynamo] was thinking about home security systems and wondered how much electricity is being wasted while such systems are powered on, but not activated. He pondered it awhile, then designed a circuit that could be used to turn a security system on or off depending on the time of day, but without using [...]
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15:30
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Hack a Day
[Collin Cunningham] over at Make recently wrapped up another edition of “Collin’s Lab” - this time around, the subject is breadboards. He starts off by discussing a common solderless breadboard, something you are no doubt familiar with. What you might not know however is how breadboards got their name. Way back when, before there was a [...]
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11:30
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Hack a Day
AVR chips are convenient because you can program them in circuit at their operating voltage. That is, unless you screw up the fuse settings and they’ll no longer listen to an In System Programmer. If you find yourself facing this problem, just build this circuit on a breadboard and ‘unbrick’ by holding down the button. [...]
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13:20
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Hack a Day
[Erich aka VK5HSE] performs quite a bit of solder reflow work, but has always been concerned about bumping his circuit boards once the solder has liquified and is ready to be removed from the heat source. He says that removing workpieces from toaster ovens often results in the unintentional jarring of a circuit board full [...]
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5:04
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Hack a Day
Here’s the proof that Arduino is a tool for serious prototyping and not just a toy. [Norbert Požár] built a magnetic levitation device that combines an Arduino with an electromagnetic driver circuit and a magnetic field sensing circuit. Unlike other other levitation setups that use optical sensing, this implementation uses a hall effect sensor on the [...]
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13:31
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Hack a Day
[FightCube] wrote in recommending a very helpful piece of circuit simulation software for those of you still constructing entries for the 555 design contest. LTSpiceIV, available from Linear Technology, allows you to construct moderately complex 555 driven circuits including common components such as capacitors, resistors, diodes, FETs, and more. Once you have constructed your [...]
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14:00
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Hack a Day
Electronic musical instruments are a lot of fun for a hacker because, with a small palette of tools, know-how and curiosity, they are easily modified. As with any hack, there is always the chance that the subject will be ruined, so it’s not necessarily worth the risk to muck about inside your thousand-dollar pro synthesizer. [...]
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8:21
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Hack a Day
[Chris] was unhappy with the battery performance of his Rovio. It seems that he’s not alone, so he set out to reverse engineer the battery charging circuit to see if there was a fix. Boy is there, what he found is the diode above, apparently installed backwards when compared to the silk screen diode symbol. [...]
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14:16
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Hack a Day
This is a vacuum tweezers head for an open source pick-and-place. Those are the machines that professional printed circuit board manufacturers use to populate a circuit board with components before heading to the reflow oven. [Drmn4ea] built it with at-home rapid manufacturing in mind. The black orb on the left is a webcam for optical [...]
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8:00
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Hack a Day
[Theo Kamecke] is an artist who produces striking pieces using printed circuit boards. We’ve seen PCBs used as faux stained-glass before, but [Theo's] craftsmanship stands apart from everything we’ve seen. His webpage has at least one piece that sites the usage of vintage 1960′s circuit boards, but we wonder if he doesn’t design some of [...]
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11:00
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Hack a Day
Reader [Osgeld] is a board-layout ninja. He populated this 4×4 LED matrix board without having a layout plan to start with. Watch it develop in slideshow format to see the art work he performs. The display is driven by a shift-register and he’s included all the proper parts like resistors and transistors, yet he makes [...]
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7:30
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Hack a Day
[Razor] shares with us the plans for an intelligent battery charging circuit. Instead of blindly charging your battery into oblivion, this one shuts off once the battery is fully charged. It is a nice clean circuit that can be adjusted and fine tuned to your specific needs via some trim pots and dip switches. [via [...]
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10:01
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Hack a Day
[Max] designed this circuit to add smart flash synchronization to his photography arsenal. He did this because ‘dumb’ TTL based flashes won’t play nicely with more sophisticated systems like the Nikon Advanced Wireless Lighting. By building a microcontroller into the mechanism, he’s added functionality for several different scenarios, ensuring that he’ll never again have problems [...]
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15:00
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Hack a Day
[Simon Inns] designed a circuit board to retrofit an original Simon electronic game. This hack is immediately a win because he made sure that his design required no modification of the original case. The new PCB has many improvements. It moves the device from using 2 D-cells over to a 9 volt battery, the incandescent [...]
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