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40 items tagged "color"
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10:01
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Hack a Day
We should have included a footnote in the title. You can say that [Thomas Polasek] installed a full version of Arch Linux on his Nook Color, but there’s one caveat. It’s running on top of the Android kernel and his proof-of-concept uses a second computer to get it up and running. But there’s potential for [...]
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15:19
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Hack a Day
[Robert] put together his own illuminated coasters that know when they hold a drink. They look fantastic, thanks to professionally produced PCBs and a layered, laser-cut acrylic case. They’re much like the pagers given to restaurant-goes who are waiting for tables, but this version is much fancier (and doesn’t include the vibrating/paging feature). The RGB-LED [...]
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12:01
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Hack a Day
[BadWolf's] girlfriend wanted him to build her a lamp for Christmas and he didn’t disappoint. What he came up with is a water-filled color changing lamp with bubbles for added interest. See for yourself in the clip after the jump. The color changing properties are easily taken care of by some waterproof RGB LED strips. [...]
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7:01
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Hack a Day
[Rick Osgood] wanted to build a color sensor that could be held up to any object to get RGB color values. He originally started with a photoresistor and a few LEDs, but couldn’t get that to work reliably. [Rick] finally completed his color sensor after finding a digital luminosity sensor on Adafruit, ending up with a [...]
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6:01
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Hack a Day
You’re not still playing nDoom in black and white, are you? What decade do live in? Thankfully, the Doom port for TI-nspire calculators has been upgraded to support color. That is if you’ve got the hardware to run it. The video after the break (and the image above) shows a TI-nspire CX running the popular [...]
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8:05
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Hack a Day
Back in 2001, [Helmar] made an awesome monochrome video display out of a red laser pointer and a spinning 18-sided mirror. Blue and green lasers are much less expensive than they were a decade ago, so [Helmar] decided to go full color with his laser projector. (In German, so fire up Chrome or get the Google [...]
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9:01
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Hack a Day
[Jim] wrote in to share some work he did with GE Color Effects LED lights in an effort to create a light display for his boat. He saw our coverage of the Color Effects G-35 hacking efforts by DeepDarc last year, and knew that they would be prefect for the boat. He did some careful [...]
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15:01
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Hack a Day
[Fjord Carver] brings together an RGB LED and CdS Photoresistor to make a color sensor. Those Cadmium Sulfide lights sensors usually have a very wide swing of resistance when exposed to varying levels of light sensitivity. That makes for great resolution when reading them using the ADC of a microcontroller. The LED comes into play by shining [...]
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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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11:01
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Hack a Day
[Paul] was looking to spice up his holiday decorations this year, so he picked up some GE Color Effects lights and started hacking away. We’ve already seen how hacker-friendly these LED bulbs are, which is why [Paul] decided to give them a try. His ultimate goal was to synchronize several sets of lights from one [...]
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6:05
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Hack a Day
The Halloween parties this weekend are over, but that doesn’t mean there’s not time for a few more to finish a build before children start knocking on doors tonight. [formori] at Lakehead University wanted to do something spectacular for a pumpkin carving contest, so he and a few other EE students came up with a [...]
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11:01
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Hack a Day
ElecFreaks is selling a new color sensing module based on the TSC230 sensor. They’ve posted a demonstration using an Arduino that shows off what this sensor is capable of. The module includes four white LEDs which give a baseline of light to help normalize readings when reflected off of differently colored surfaces. The white balance [...]
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11:59
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Hack a Day
This color changing door handle was made using a very simple manufacturing process. [Barmak] already had experience working with polyester resins when making passive component filled drawer pulls (he included a couple of pictures at the end of his post). The same process was used here except that instead making it from one solid chunk [...]
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10:22
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Hack a Day
[Charles] wanted to put some LEDs in his guitar. He also wanted individual notes to output certain colors, but he couldn’t find any projects with tone-based algorithms to convert sound into colors. After about a year of work, his ColorChord guitar was born. Unlike every other color organ build we’ve seen, the color of a note [...]
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12:01
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Hack a Day
All EL wire drivers use a resonator circuit to supply power to the EL wire. It’s an efficient system, but [Paul] noticed that there was some color change when powering different lengths of wire off of the same driver. He realized that this is because of the changing frequency of the resonator circuit, so the [...]
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11:38
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Hack a Day
[Craig] sent in a link to this project which manages to implement color tracking on an 8-bit microcontroller at 60 frames per second. That’s some pretty incredible performance, but we’re also not talking about using a hobby-grade microcontroller. The C8051F360 is an ARM microcontroller with 100 MIPS throughput and with a system clock that can [...]
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16:00
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Hack a Day
[Alex] has reduced the resolution of his timepiece as a trade-off for speedy-readability. At least that’s what he claims when describing his color-changing clock. It uses a ShiftBrite to slowly alter the hue of the clock based on the current time. The concept is interesting: 12:00 starts off at white and slowly fades to green [...]
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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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7:49
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Hack a Day
Instructables user [Andrew] was given a free, but damaged GameBoy color by a friend. The friend’s dog had done quite a number on the outside of the handheld, but it was definitely usable. After replacing some of the outer shell, [Andrew] decided that he would try tweaking the GameBoy to utilize a solar cell in [...]
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11:10
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Hack a Day
[Simon] improved upon an existing hack by making this Arduino ambient lighting system that has four different color regions. He was inspired by [Roy's] processing-based setup which we saw a few weeks ago. That system used processing to determine the average color of the currently displayed image, then it displayed the color on a single RGB [...]
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12:16
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Hack a Day
[Deeper-blue] has released all the files necessary to get Android honeycomb working on your nook color. We had a chance to play with the nook color for a bit, but ours was only on Android version 2.1. It seems like they’ve come a long way with the capabilities of this simple e-reader since then. While [...]
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11:19
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SecuriTeam
A potential security vulnerability has been identified with certain HP LaserJet printers, HP Color LaserJet printers and HP Digital Senders.
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Make your website safer. Use external penetration testing service. First report ready in one hour!
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7:30
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Hack a Day
[George Hadley] developed a nice setup to control the color of a replica Lightsaber. A small PCB houses a PIC 18F2221 and three switching transistors for the colors. A powerful LED resides in the tip of the handle, lighting up the diffuser that makes up the blade. But our favorite part is the control scheme. [...]
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21:01
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Packet Storm Security Recent Files
Zero Day Initiative Advisory 10-203 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Oracle's Java Runtime Environment. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists within the implementation of the color profile parser. When processing a particular Tag structure out of a color profile, the parser will read a 32-bit integer and use it to calculate the size for a memory allocation. Due to the result being larger than 32 bits, an integer overflow will occur. This will lead to code execution under the context of the application.
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21:01
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Packet Storm Security Recent Files
Zero Day Initiative Advisory 10-204 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Oracle's Java Runtime Environment. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists within the implementation of the color profile parser. When processing a the 'devs' tag structure out of a color profile, the parser will read a 32-bit integer and use it to calculate the size for a memory allocation. Due to the result being larger than 32 bits, an integer overflow will occur. This will lead to code execution under the context of the application.
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21:01
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Packet Storm Security Advisories
Zero Day Initiative Advisory 10-203 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Oracle's Java Runtime Environment. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists within the implementation of the color profile parser. When processing a particular Tag structure out of a color profile, the parser will read a 32-bit integer and use it to calculate the size for a memory allocation. Due to the result being larger than 32 bits, an integer overflow will occur. This will lead to code execution under the context of the application.
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21:00
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Packet Storm Security Advisories
Zero Day Initiative Advisory 10-204 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Oracle's Java Runtime Environment. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists within the implementation of the color profile parser. When processing a the 'devs' tag structure out of a color profile, the parser will read a 32-bit integer and use it to calculate the size for a memory allocation. Due to the result being larger than 32 bits, an integer overflow will occur. This will lead to code execution under the context of the application.
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6:00
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Hack a Day
[Bogdan] set out to build the all-too-familiar binary clock. But, he didn’t want to be ordinary, and set the goal of making the clock as hard to read as possible. What he ended up with is a clock that is almost impossible to read correctly. He’s using colors to tell the time. We immediately thought [...]
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11:04
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Hack a Day
[PT] tipped us off about a new way to screen bots from automatically leaving comments. Resisty is like CAPTCHA but it requires you to decipher color bands on a resistor instead of mangled text. This won’t do much for the cause of digitizing books, but if you can never remember your color codes this is [...]
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13:21
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Hack a Day
Tired of every printed circuit board you etch coming out brown? Take a page out of [Dane's] book and dye your PCB to just about any color you want. One hour submerged in a 200 degree bath of Rit dye turned his brown FR4 substrate to the desired dark green. We give him points for [...]
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12:14
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Hack a Day
We feel like trumpets should be sounding. Someone took the overused project of connecting RGB LEDs to a microcontroller and produced something useful. [Paul] created Dr. Boardman’s Color Conundrum which works much like a simple mechanical coin-op game you might find at a carnival. When switched on, a random color is displayed by the ping-pong [...]
1337day (was: Inj3ct0r, 1337db)
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