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36 items tagged "light"
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11:01
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Hack a Day
Regular glasses are okay, but these light up and respond to your movement. [Dr. Iguana] is at it again, designing a very interestingly shaped PCB to augment your visual augmentation devices. The circuit board has two thin curving wings which conform to the shape of a pair of glasses. In the middle there’s a larger [...]
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11:01
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Hack a Day
The art of taking long exposure photographs with blinking RGB LEDs has improved greatly over the years, mostly due to the extremely easy to use Arduino and hundreds of tutorials on the web. If there’s one problem with light painting with a ‘duino, it’s that large, full color images take up a ton of storage [...]
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6:37
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Hack a Day
Unfortunately, none of our writers are located in California this year. This means that we weren’t able to go to the Bay Area MakerFaire and see the cool stuff for ourselves. We have been following along on the web though and a few projects have caught our eye. The rig you see above is a physical [...]
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12:01
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Hack a Day
+ So at first glance we were thinking there wasn’t much special about this clock. It’s based on an Arduino and displays the time using a character LCD screen. But then we realized that there’s no battery-backed RTC and no buttons. How the heck do you set the time on this thing? [Mossblaser] is using [...]
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11:01
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Hack a Day
[Justin] didn’t want to keep checking if the ‘oven heating’ indicator light had gone off before popping his unbaked edibles into the oven. Many models offer a buzzer to let you know when the chosen temp is reached, but for folks who own a basic oven model there’s just a light that tells when the [...]
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6:01
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Hack a Day
[Matt Bell] sends a shout-out to Hackaday by creating a light-painting of our logo with his string plotter. He starts off by setting up a pair of stepper motors which each have a spool to wind and unwind a string. The plotter is made by suspending a stylus between these two strings. In this case, [...]
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8:01
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Hack a Day
Light painting is a technique where a shape is drawn with a light source while a camera is taking a very long exposure shot of it. To do this well by hand would take a lot of skill, so I naturally decided to make my “light art” with a CNC router. Using this technique, the [...]
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7:01
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Hack a Day
LEDs and and cameras always make a fun mixture, and its not all that hard to have quite a bit of fun as well. The Light Painting Stick is similar to other long exposure camera tricks like LightScythe and gets about the same reults. The difference is the Light Painting Stick is self contained meaning [...]
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13:32
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Hack a Day
[Martijn] is showing off his new clock which he calls a Light Spectrum Clock. We like to look of it, using RGB LEDs in five squares that remind us of some of those LED coffee table builds. From left to right this shows the week, day, hour, minute, and second. Simple, right? We had to [...]
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9:01
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Hack a Day
[Greg] was looking for something to build using his recently acquired Arduino, and with Halloween approaching, he thought a cool light display would make a great project. He browsed around online and found this tutorial that shows how to build a chorus of singing pumpkins controlled by a computer’s parallel port. Since he didn’t have [...]
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16:01
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Hack a Day
[Todd Harrison] needed a way to run a 12 volt PC fan from mains voltage. Well, we think he really just needed something to keep him occupied on a Sunday, but that’s beside the point. He shows us how he did this in a non-traditional way by using the resistive load of an incandescent light [...]
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9:01
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Hack a Day
You too can paint your favorite meme in light with just a few tools. [Skywodd] brought together a couple of different projects to make this happen. He had already built a large POV display and now uses a DSLR with long exposure to create light paintings (translated). The Arduino-powered display is built from a strip [...]
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7:01
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Hack a Day
[Mykle Hansen] is an avid cyclist, and safety is a big concern for him. He says that bicyclists often receive a lot of honks and grief from passing motorists because they perceive them as moving far slower than they really are. According to [Mykle], this misjudgment can result in “right hook” collisions, which kill several [...]
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4:05
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Hack a Day
A few years back [Evan] built a kegerator from a mini fridge and was quite happy with his new beer chiller. Like many of us do, he started thinking up ways in which he could improve the project as soon as it was completed. While it took a couple of years, he recently got around to [...]
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14:01
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Hack a Day
[Bill] Decided that his living room could use some more light, or at least some more colourful light. To meet his needs [Bill] has designed and build what he describes as a modern/contemporary chandelier. The chandelier uses about 250′ of fibre optic cable to distribute the light from eight LED’s, light from the fibre optics [...]
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11:45
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Hack a Day
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12:15
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Hack a Day
[Jaren] is occasionally forgetful, and frequently wonders if he’s left the lights on in his server room. Not knowing if the lights have been left on drives him nuts until he returns to work the next morning, so he decided he had to do something. He figured it would be easy enough to build a [...]
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15:01
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Hack a Day
After reading over the proceedings of the 2005 SIGGRAPH, [Dan] realized he could reproduce one of the projects with $50 worth of equipment and some extreme cleverness. [Dan]‘s dual scanning laser camera operates by scanning a laser across an object. The light reflected from the object illuminates a flat surface, and this light is measured [...]
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9:00
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Hack a Day
Add a retro light show to any MIDI instrument with this Antique Light Bulb Organ, twelve 30 watt antique style light bulbs correspond with the 12 notes in an octave with a simple on or off action. The organ is also monitoring the pedals, so the lights will stay on as you use the sustain. [...]
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8:00
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Hack a Day
The latest offering in glove-based noisemakers forsakes commonly used flex sensors in favor or photoresistors. [Bruno Ratnieks] is responsible for this musical glove and his methods will be very easy to recreate. He used an Arduino to interface with it while providing a USB connection to your audio software. The sensors themselves couldn’t be easier [...]
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9:00
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Hack a Day
One of the bulbs in the dome light of [Pete's] car burnt out. These were a bit hard to get at for replacement so he thought he’d try something that would last longer, and have no problem standing up to the vibrations that go along with automotive electronics. But plug-in LED replacements cost more money than [...]
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6:11
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Hack a Day
[Alan] acquired a stereo microscope from eBay, and decided to save some more money by designing, machining, and assembling his own arc reactor ring light to go along. After finding an LED driver board sitting around as well as ordering some surface mount LEDs, he set about using a lathe to cut away a block [...]
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14:24
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Hack a Day
This computer can be mounted in any standard light bulb socket. It uses a pico projector combined with a camera to generate a touch display wherever you shine it. The photo above and the video after the break show the bulb in a motorized lamp arm but that’s just smoke and mirrors, the bulb itself [...]
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13:00
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Hack a Day
What has 9000 LEDs, 3000 MSP430 processors, six XMOS XC-2 Ethernet modules, and goes blinkity-blink-blink? It’s Swarm Light, an art installation shown at this year’s Art Basel exhibition. [Fredrik Petrini] worked on the hardware that went into building the group of three 3D cubes of LED light modules. Unlike so many art pieces we see [...]
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