Leds Definition and 104 Threads

  1. W

    Toronto Doctor takes pictures of small intestine with LEDs and camera in a pill

    http://www.cbc.ca/stories/2002/09/04/video_pill020904 sorry if it's not new news , but i just saw it on tv and thought it was very cool..
  2. S

    Can LEDs be used for power transfer in this application?

    Numbers Having "googled" into this thread, I was hoping you could help with my own "LED lighting" question. I have a cost-sensitive instrument application where I need to supply roughly 50mW to an assembly rotating on a motor shaft, about 6mm from the nearest support. I wondered if I could...
  3. Q

    Solid state lasers (LEDs), gas lasers, and liquid lasers(?)

    I've been doing a ton of research recently on how lasers work. Basically a laser is actually L.A.S.E.R which stands for "Light Amplified of Stimulated emitted radiation". A laser is cohernet, which means it is only its wavelengths are not fixed. Low power red lasers are often known as...
  4. M

    Building an Outdoor LED Washlight with 30 LEDs

    hey guys, I have been looking to make a outdoor led washlight for a long time now. I am not very experienced with electronic circuts but I can understand the basics. I am planning to have 30 leds, 10 each of red green blue. I want to control the three different colors with a potentiometer...