How to use Leds in a sentence
A site devoted to testing & reviews of leds & LED flashlights in all common chemistries.
You can quickly change LEDs say from white to green for phase contrast or color darkfield illumination.
We also work with fiber optics, UV light, LEDs.
In addition to the warm red and blue colour-changing LEDs upstairs, the 8th floor walls are clad in blue snakeskin.
The research work centers on the development of LEDs and photodiodes using narrow band-gap semiconductors, in particular indium antimonide and cadmium mercury telluride.Advertisement
Soldering the resistors onto the legs of the LEDs, underneath the main runway.
Light Fantastic - The Laserpod an ultramodern marriage of lasers, crystals, LEDs and craftsmanship that produces an awe-inspiring lightshow.
However, LEDs look the best if you have a lot of light focused on it, whether that's natural light from windows or bright light from lamps.
That's why if you have a lot of light, then LEDs are perfect for you.
While LEDs and LCDs have 60, 120, 240 and 480 (the newest) Mhz rates, Plasmas start at 600 Mhz.Advertisement
Sewing LEDs and a battery pack into the skirt for a glowing gown, perfect to light up during the first dance.
High power infrared LEDs are mounted on the side of the goggles.
These LEDs project infrared light in the same way a regular flashlight would project normal light throughout a room.
When you build infrared night vision goggles, the effectiveness depends primarily on the number of LEDs that you've mounted on the side of the glasses.
It's important to add enough LEDs for good lighting, but not so many that you prematurely drain the batteries.Advertisement
Glue four LEDs onto the sides of the sunglass frames, twist the wire ends together and attach one set to the underside of a 3 volt watch battery, which you'll also glue to the frames.
Either manually hold the other set of wires to the top of the battery to operate the LEDs, or wire it through a switch that you can attach to the sunglass frames.
You can play around with different thicknesses for the lenses or add more LEDs to see if you can get the glasses to work even better in the dark.
Infrared LEDs mounted on the side of the glasses shine throughout the room.
Ideally, for the IR light source, you should purchase eight very bright infrared LEDs.Advertisement
Most electronics supply stores carry them, but you can also take apart old remote controls and pull out the one or two LEDs at the end of the remote.
If you have several old remote controls in your basement, you should have no problem gathering six to eight IR LEDs.
Repeat the same procedure for the left side of your frames, attaching three or four more LEDs and another battery.
This will illuminate all of the infrared LEDs.
This is in stark contrast to the usual green LEDs that would illuminate to indicate the four different players connected to the system.Advertisement
From sparkling stars and snowflakes to a blinking Christmas tree, fiber optics and LEDs make light-up cards possible.
Similarly, lights such as LEDs or miniatures, burn cooler than standard Christmas lights.
The LEDs simply flash different colors depending on how serious the warning is.