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[Oh Buy It!] 5 LED Baseball Cap Light - $5.75
Original at DODTracker.com New Deals
• 8 hours ago
Item Description: These 5 LED Baseball Cap Lights are great for detail work, mechanical work, hunting, camping and much more. Light and compact, these lights are designed to withstand extreme conditions and rugged use. Perfect tool for the professional and recreational outdoors man, m...
Need a simple LED strobe circuit for Star Trek model project.Original at electro-tech-online.com
• 19 hours ago
By electroman2000 I'd like to create the flashing effect at the belly of the ship with LEDs. Can anyone please help me out. I'd love to be able to finish this model. :o E-man2000 Hello, I'm new here and I was really hoping to find some help here. I am looking to light up an AMT/ERTL Star Trek U.S.S Enterprise from the...
[CamoFire] COAST V2 POWER CHIP LED LENSER CAMO FLASHLIGHT - $19.89 (Reg. $66.00)
Original at DODTracker.com New Deals
• Thu, Jul 2
Ever played that trick on your buddy when at night you tell him to look this way and then you turn on the flashlight and blind him? It's all fun and games until someone really goes blind - that's how bright the Coast V2 Power Chip flashlight is. 1 watt never burned so bright. With a metal casing, 24...
[DodGenie] **99 CENT SALE**Flashling LED Saftey Pendant Light *NEW - $0.99
Original at DODTracker.com New Deals
• Thu, Jul 2
This a really neat and interesting gadget that lives up to its namesake!!? Once you get your hands on one of these for your pet you will wonder how you have survived this long without one.? You can now let your pet run ramped through the yard at night without fear that you will lose sight of them.?...
Basic capacitor question
Original at electro-tech-online.com
• Mon, Jun 29
By tony ennis So nearly immediately, both capacitors are charged through the 470k caps. With no path to ground, neither LED can light. 2. Before the flashing begins, does the voltage across the caps actually decrease over time as the current through the 100k resistor 'catches up' to the positive side of t...
Intermediate 5W voltage-controller LED Current Driver
Original at electro-tech-online.com
• Sat, Jun 27
By JBrock Here is a voltage-controller LED current driver for those who are not afraid to burn some POWER! Forget those wussy switching things trying to achieve, what?, 85% efficiency maybe? What a hassle. Attached Thumbnails Here is a voltage-controller LED current driver for those who are n...
Giz Explains: What's So Great About LED-Backlit LCDs
Original at Gizmodo
• Wed, May 27
By matt buchanan LEDs (light emitting diodes) are different from say, an old school incandescent bulb, which heats up a filament to generate light, in that they're electroluminescent—electricity passes through a semiconductor and the movement of the electrons just lights it up. Instead of having one...
"First Review: Samsung Series 7 LED TV"
Original at Smart House
• Mon, May 11
Australia The battle between LCD and Plasma has shifted with the introduction of LED panels. These aren'ta new type of panel but more a new light source for LCD TVs. Instead of using a fluorescent back light, the panel uses LEDs which offer better control of the ...
Carmanah Launches Solar-LED Streetlights at LIGHTFAIR
Original at PR Inside (Pressemitteilung)
• Tue, May 5
Carmanah Technologies (TSX:CMH) will introduce its next generation of solar-powered LED lights today at the LIGHTFAIR International tradeshow and conference in New York City. As part of a new “General Illumination” (GI) product line, the company will feature a range of solar-powere...
TSX Interior LED how to replace bulbs + outside headlight side markerOriginal at YouTube
• Sun, May 3
By rss@youtube.com (lcrazyaznl) Author: lcrazyaznl Keywords: tsx acura cl9 headlight corner light Added: May 3, 2009
UMAX Powerview Magicam [Review]
Original at Techtree.com
• Tue, Apr 28
India This webcam includes manual focus, LED night lamps and VGA video recording capability at 30 FPS. We put it through its paces and tell you how it performed. The camera has a long cylindrical design. The front side has the camera lens with the manual ...
Looking for recommendation of LED driver with individual LED PWM control
Original at electro-tech-online.com
• Wed, Apr 8
By tdg8934 Lighting and Display Solutions - LED Drivers - TLC59116 - TI.com I am concerned that this chip can only connect up to (14) I2C TLC59116 chips. That is only 14 X 16 outputs or 224 LEDs. How would I get around this? I need to have 1000's of LEDs in 16x8 modules driven by a 'smart' PWM LED driver.
How To: Make A Simple LED Flasher Circuit HackOriginal at fr.truveo.com
• Mon, Apr 6
Using a small motor, wire, and LEDs, you can make a really cool LED flasher in a matter of minutes without 555 timers or programing. fr.truveo.com
How To: Saving Energy with LEDsOriginal at wikihow.com
• Thu, Apr 2
Learn how to use LED light bulbs in order to conserve energy and save the planet one light a time. www.wikihow.com
Opinion: Environmental agency offers tips for cutting carbon emissions
Original at eTaiwan News
• Tue, Mar 24
MiamiHerald.com Taiwan Replacing two five watt incandescent light bulbs with two 0.8 watt LED light bulbs could cut emissions by 0.13 kg for every 24 hours of use, while replacing one 7.2 watt incandescent night light bulb with a 0.8 watt LED light bulb could produce 0.03 kg ...
How To: Spyder Installation Video: Ford F150 04-07 LED Tail LightsOriginal at YouTube
• Thu, Mar 19
By rss@youtube.com (spyderauto) Author: spyderauto Keywords: spyder sonar Installation how to install Aftermarket car parts guide tail altezza light lights led leds ford f150 f-150 150 04 05 06 07 2004 2005 2006 2007 Added: March 19, 2009
How To: Wiimote Rumble LED Mod Tutorial 1/2 By: INSANITYOriginal at YouTube
• Tue, Mar 17
By rss@youtube.com (i7vSa7vi7y) Author: i7vSa7vi7y Keywords: Wii LED LEDs light lights bright blue wiimote nunchuck hack hacks hacking easy mod mods modding modify modified i7vSa7vi7y INSANITY Added: March 17, 2009
Art Review | Jenny Holzer
Original at New York Times
• Thu, Mar 12
United States Using recently developed, thinner-than-ever LED signs, “For Chicago” is the first Holzer piece made specifically to lie flat on the floor. Its 11 48-foot-long LED signs, placed parallel about two feet apart, nearly reduce language to pure light. ...
How To: Astable then steady
Original at electro-tech-online.com
• Wed, Mar 11
By jeno2 I try to build an auxiliary LED brake light driver to my bike using a basic 555 astable circuit. I want it to flash 3-4 times in the first second when the brake applied then hold a steady light until I release the brake. Any idea how to achive this?:confused:
Opinion: Cromobox LED Shower Door
Original at Ubergizmo
• Mon, Mar 9
Antonio Lupi designed this Cromobox LED shower door that was specially developed to change colors across a spectrum so that you will feel even more relaxed while showring away the day's grime and sweat. We're not too sure whether something like this will ever catch on, where the standard l...
ON AIR Wrist Watch
Original at Ubergizmo
• Thu, Mar 5
Designer Iskender Asanaliev from Turkey has come up with the ON AIR wrist watch where the hour hand will point out to the current, well, hour, while the minutes are displayed in a digital format to bring the best of both worlds in a single device. The display also has another function, which i...
RGB LED Room lighting project
Original at electro-tech-online.com
• Mon, Mar 2
By solis365 A basic schematic is attached, with current limiting resistors just as place holders. (I had to use a really basic online editor for this one; the circles are LEDs. It counts the fwd voltage on all the LEDs as the same, but thats how I plan to use the MOSFETs; the square wave sources stand for the...
How To: MAKE presents: The CapacitorOriginal at MAKE Magazine
• Thu, Feb 26
By Collin Cunningham In this installment of the MAKE presents series I explain - how to build a leyden jar, how the capacitor was invented, and how to use one to light an LED. I incorporated some viewer requests from MAKE presents: The Resistor and I'll be adding more in the next installment. Please a comment if the...
Osram GmbH - Strategic Analysis Review - http://www.companiesandmarkets.com adds new report
Original at PR Inside (Pressemitteilung)
• Mon, Feb 23
PR-inside.com) http://www.companiesandmarkets.com/Summary-Company-Profile/Osram-GmbH-Strategic-Analysis-Review-66763.asp Osram GmbH - Strategic Analysis Review Summary OSRAM GmbH (Osram) is one of the leading lighting manufacturers operating across the world. Siemens A...
Opinion: biOrb Life Fish Tank
Original at Ubergizmo
• Fri, Feb 20
Some people keep fish as a hobby, and the more serious ones would normally take extra care when purchasing an aquarium. For newbies, there is always the biOrb Life fish tank to help them out. Made from transparent toughened Perspex with a colored middle piece, you will find a subtle LED light...
How To - Simple method for blinking LEDs
Original at MAKE Magazine
• Thu, Feb 12
By Collin Cunningham From the MAKE Flickr pool Flickr member xmasons shares this easy recipe LED blinkage using a 4060 binary counter chip.
Opinion: Steam Iron With LED
Original at Ubergizmo
• Wed, Feb 11
No matter how much technology advances, irons still retain their general form factor and this Steam Iron with LED concept does not stray from that premise, although it does feature a cool LED lighting that denotes the temperature in proportion with the hot red color. As for the other pract...
Opinion: I-Quad LED Electronic Board
Original at Ubergizmo
• Mon, Feb 9
The I-Quad is actually a bunch of tile-shaped LED electronic boards that are held together by a simple frame, and they boast interactivity with external devices, taking either the USB or wireless route. Individual tiles can display a low-resolution image that brings back fond memories...
Opinion: LED Bulbs Costs £2, Lasts 60 Years
Original at Ubergizmo
• Thu, Jan 29
With some people doing their part to go green these days for the sake of our planet's future, we are heartened to report that Cambridge University researchers have successfully developed cheap, light-emitting diode (LED) bulbs which light up the room brilliantly while sipping on very...
Opinion: Energy Efficient Led Lighting
Original at Infolink Architecture & Building
• Thu, Jan 29
Infolink Architecture & Building, Australia - 8 watt LED globe (MR16) - equivalent to 50watt halogen, can be used in downlight fixtures and most up/down lights. • Street Lights - The fixture casings are ... Is LED conversion a bright idea? Reno News & Review
Opinion: Century External USB LED Monitor
Original at Ubergizmo
• Thu, Jan 29
Century does not want to lag behind Buffalo when it comes to external USB monitors and hence has released its 8" monitor. It will not go head-to-head against Buffalo's offering for many reasons, and first among them is the size - the Century model measures just 8" across diagonally which is...
How-to Tuesday: Valentines LED displayOriginal at MAKE Magazine
• Tue, Jan 20
By Marc de Vinck This week I am going to be making the Open Heart kit by Jimmie Rodgers. It's a great open source kit that uses a technique called Charliplexing for lighting up the LEDs. Why? Charlieplexing allows you to control each LED's state individually. All you need to do is create a simple program and upl...
Opinion: Leo Hickman on ecofriendly lightbulbs
Original at EducationGuardian.co.uk
• Wed, Jan 7
By Leo Hickman The packaging should always tell you the equivalent wattage of the bulb. In general terms, CFLs use 65-80% less power than an incandescent bulb. Therefore, a CFL marked as "100W" could need as little as 20 watts of power. There are even some newer bulbs that use LED (light emitting diode) tech...
Recycle old holiday lights
Original at The Olympian
• Wed, Dec 31
Here are a few other holiday light recycling options: For more information, go to www.christmas-light-source.com/Christmas-Lights-Recycling-Program_210.html. 5. Put your light sets in plastic bags or any other interior packaging.
Unique LED light chaser questions, w/ schematic
Original at electro-tech-online.com
• Mon, Dec 29
By R2-D2 Can I use just one resistor for each group of LEDs (R7, R8 and R9) instead of one for each of the six branches in the LED groups? If I need a resistor for each branch (of three LEDs), I have calculated them to be at 75Ω each. R = (1.8 volts dropped / 0.024 Amps) = 75Ω
Engineers: Efficient organic LEDs a step toward better lights
Original at University of Florida
• Tue, Dec 23
By khowell So and his team’s blue OLED achieved a peak efficiency of 50 lumens — a lumen is a measure of brightness perceived by human eyes — per watt. That’s a significant step toward the goal of his project: to achieve white light with efficiency higher than 100 lumens per watt.
Energy-saving lights catch on
Original at Sacramento Bee
• Tue, Dec 23
By rfaturechi@sacbee.com (Robert Faturechi) Regular bulbs have a filament inside that emits light when heated, a process that can waste a significant amount of energy in the form of heat. Strands of LED lights plug in like traditional lighting, but they stay cooler as they use most of their energy to create light.
Twas the light before Christmas, or maybe a book
Original at Toledo Blade
• Fri, Dec 19
Perhaps I can shed a little light on your shopping dilemma — LED, as in flashlights and headlights. Switch onto these new lights, powered by advanced lithium batteries, and you won’t look back. Your old gear will become backup. Since late summer I have been field-testing an Energizer e2 lith...
Opinion: SureFire E2D LED DefenderOriginal at YouTube
• Sat, Dec 13
By rss@youtube.com (SL044310) Make: Surefire Model: E2D LED Defender Power Cell: 123A lithium (x2) Lumens: 5/120 Type of Light: Target Acquisition and Task Light Runtime: 76/1.9 Hours Product of: USA? Practical for Tactical Applications: Very Practical Customization and Accessories: - Surefire F05 Red Filter - S...
Opinion: LED Screwdriver Light
Original at Ubergizmo
• Wed, Nov 26
There are times when we need to screw something in tight, dark corners, and it isn't too nifty biting the tip of a flashlight while working on your project since your teeth aren't exactly the best placeholders in the world. Well, the LED Screwdriver Light now retails for $8.95 a pop, and like i...
Podcast: Lights fantastic
Original at Wisconsin Radio Network
• Mon, Nov 24
The Kohl Center gets new lighting -- with a high tech twist. UW Madison faculty member Steve Feren helped design the new lights, twelve separate lighted sculptures. "The actual lighting will be very active, very colorful and animated," says Feren. "It will fit in with the sort of celebrator...
How To: Make's LED History Movie Is Pretty Cool, Includes DIY Instructions [LEDs]Original at Gizmodo
• Mon, Nov 24
By Kit Eaton We all take LEDs pretty much for granted, but the guys over at MAKE have done a good job with this movie that shows the history behind the little glowing things. Turns out the Light Emitting Diode was one of those devices that was more or less discovered by accident, during an experiment at Mar...
Bob Shallit: Rancho Cordova firm builds biggest LED sign in Big Apple
Original at Sacramento Bee
• Thu, Nov 20
By bshallit@sacbee.com (Bob Shallit) It's absolutely spectacular," says George Pappas, a managing partner for D3 LED, a 3-year-old local firm that spent six months building and assembling digital components. The company, which also retrofitted the ribbon-like marquee out- side ABC's "Good Morning America" studio, pic...
How To: Light + charger for flip cams
Original at MAKE Magazine
• Thu, Nov 13
By Collin Cunningham From the MAKE Flickr photo pool ProdMod made this charger/light combo for use with Flip cameras using just 2 AA batteries with a DC step-up circuit - double handy! - ProdMod Video Light and Charger for Flip camcorder More: ProdMod LED Camera Light Kit v1.1
Cool Light Microscopy with Leica DM IL LED
Original at Medgadget.com
• Mon, Nov 10
Leica has released a new inverted routine microscope that features LED (light emitting diode) illumination of the target. LED's tend to run much cooler, and so do not disturb samples that are sensitive to temperature fluctuations. Product page: Leica DM IL LED
Podcast: Reinventing the Domes
Original at Wisconsin Radio Network
• Sat, Nov 8
The privately funded project includes a specialty LED lighting system in the Show dome. The other two domes, Arid and Tropical, also got new lighting, as did the lobby. Black's favorite time to visit the Domes? In the middle of a hard Wisconsin winter, of course.
Field Notes: Hands On With Samsung's Newest TV Tech: Wi-Fi Plasma, LED-Backlight LCD and 120Hz Blur Reduction
Original at Gizmodo.com
• Wed, Jul 11
By Wilson Rothman LED backlighting is the wave of the future for LCDs, and not just because they are "greener" than the current CCFLs. Because they can alternately dim and brighten 60 or 70 separate clusters of LEDs underneath the LCD panel, you get deeper contrast, but without losing detail in dark scenes. T...
LED Lighting Growing More Popular
Original at Sci-Tech Today
• Mon, Jun 25
And as LEDs expand their reach into the aesthetic-minded market for home lighting, they boast something traditional lighting sources can't: LEDs can be programmed to emit light in virtually any color without the use of filters, enabling homeowners to design their own living room ligh...
Podcast: You Probably Missed A Great Show Saturday
Original at Seattlest
• Mon, Apr 30
By Donte We spent the bulk of Parts & Labor's opening set staring at the drummer. The frequency of Chop Suey's LED-based light system made for trails on the drumsticks so it was pretty trippy to watch. The fact that he was at the top of his game only added to that, cracking the snares and booming the b...
How To: Trigger happy LED modOriginal at Nintendo Wii Fanboy
• Sun, Apr 29
By Eric Caoili Filed under: How-tos, Controller, Video, HomebrewWii remote modders won't rest until they've installed fluorescent lighting on every button and pad, decorating the controller like some kind of rectangular christmas tree. Today's DIY project adds an LED to the usually unseen B butto...