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How to make your own LED bulbs. | 45 comments (43 topical, 2 editorial)

Re: How to make your own LED bulbs. (3.00 / 0) (#18)
by ghurd on Mon Jan 29th, 2007 at 11:35:52 AM MST
(User Info)

Oh... I think if I did one, it would use a 16~18V transformer and 5 LEDs in series per string.
Or a switching power supply from a laptop (the battery charger cord), but it would not fit inside the bulb.

The only commercial LED sign I ever saw up close must have a supply for each LED.
"Each LED" was a cluster of 3 LEDs, red, yellow, and blue. I have a closeup photo, somewhere.
It is in New York City in the NBC building. This photo is not so great, but it's all I found on the internet.
http://www.nbcnewmedia.com/gallery/nbcExperience/globe.jpg
G-

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How to make your own LED bulbs. | 45 comments (43 topical, 2 editorial)

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