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Sensibulb LED lights | 14 comments (14 topical, editorial)

Re: Sensibulb LED lights (3.00 / 0) (#7)
by whatsnext on Fri May 4th, 2007 at 10:20:12 AM MST
(User Info)

If this is the case then you may want to continue following Commanda's master class and hope that someone wants to take on the job of having boards built or sourcing the parts. I have a few DIY lights built with 5mm LEDs on my boat, Merit 23GP "Between the Sheets", and I've never had a failure but I just can't stand the color. I don't live aboard so I put up with it. Once Commanda finalizes the circuit you might look at the Pirahna warm whites and then build modules to fit into your existing fixtures.
Fair Winds, John

[ Parent ]

Re: Sensibulb LED lights (3.00 / 0) (#8)
by yuandrew (yu(dot)andrew(at)yahoo.com) on Sat May 5th, 2007 at 07:27:44 PM MST
(User Info)

This is the Cree XR-E led that many people are talking about. I read that the current generation are even more efficient now at 80 lumens/watt. The controllers are listed under "High Power LED Drivers" on the left hand side colume. They will still have a "cool white" fluorescent light type color.

http://www.besthongkong.com/index.php?cPath=19_53&osCsid=9e9a3427b1b0db2eb95d9950bb7746d2
"Always under construction"
[ Parent ]

Re: Sensibulb LED lights (3.00 / 0) (#11)
by whatsnext on Tue May 8th, 2007 at 10:08:57 AM MST
(User Info)

Those prices look pretty good and I'm sure those regulators would allow for dimmability. I think 80lumens/watt is maybe a tad optimistic but surely possible if you have enough heat sinking. I would think most users would want to avoid the heat and just use extra LEDs. The new generations of LEDs color shift a bit as you change drive current starting at green and eventually shifting to blue. Somewhere in the middle you get white, that's why they bin them.
John.....

[ Parent ]

Re: Sensibulb LED lights (3.00 / 0) (#10)
by 3rd Charm on Sun May 6th, 2007 at 11:48:10 PM MST
(User Info)

If you have a lot of scrap boards in your junk box, sometimes you can cut them up to suit your needs, even if you have to drill some extra holes. I was looking through my junk box today with just that in mind, and low and behold.... lots of resistors too!
Sometimes it pays to strip things down before you throw it out. :o)

[ Parent ]

Sensibulb LED lights | 14 comments (14 topical, 0 editorial)

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