Forum: Lighting
01-24-11, 04:34 PM
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Replies: 40
Views: 31,922
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Forum: Lighting
01-24-11, 04:24 PM
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Replies: 40
Views: 31,922
For the small space in my decked sailing canoe,...
For the small space in my decked sailing canoe, it is enough light, but the floor is only about 3 feet from the lights. In a larger room in a house, it would be a little more than a kerosene lamp,...
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Forum: Lighting
01-24-11, 11:07 AM
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Replies: 40
Views: 31,922
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Forum: Lighting
12-20-10, 10:27 AM
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Replies: 40
Views: 31,922
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Forum: Lighting
12-20-10, 10:18 AM
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Replies: 40
Views: 31,922
I did some testing on Cree 1W Warm White Star...
I did some testing on Cree 1W Warm White Star LED's to see if they would work within the range of a 12V lead acid battery system, with 4 Star LEDs in series using no voltage regulator.
12V lead...
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Forum: Lighting
11-07-10, 07:39 AM
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Replies: 40
Views: 31,922
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Forum: Lighting
11-06-10, 02:37 PM
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Replies: 40
Views: 31,922
It looks like these have a regulator and will...
It looks like these have a regulator and will work on battery power directly.
I would say that the stars that I have been experimenting with are old technology now, because these products are much...
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Forum: Lighting
11-02-10, 05:48 AM
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Replies: 40
Views: 31,922
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Forum: Lighting
11-01-10, 07:38 PM
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Replies: 40
Views: 31,922
The star acts as a heat sink so you don't need...
The star acts as a heat sink so you don't need any additional heat sink. They do get warm, not quite finger burning warm but close to pain warm.
I would give them a try with 4 stars at 13.2V. ...
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Forum: Lighting
09-09-10, 05:37 AM
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Replies: 40
Views: 31,922
One point I should have mentioned for those who...
One point I should have mentioned for those who might want to try this out: the variable resistor (trimpot, trim potentiometer) has three pins. Use the center pin and one of the outside pins, either...
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Forum: Lighting
09-08-10, 09:03 PM
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Replies: 40
Views: 31,922
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Forum: Lighting
09-08-10, 08:28 PM
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Replies: 40
Views: 31,922
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Forum: Lighting
09-08-10, 08:28 PM
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Replies: 40
Views: 31,922
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Forum: Lighting
09-08-10, 08:27 PM
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Replies: 40
Views: 31,922
3 pcs 1W Star LED, rated at max 3.3V, $3.20 ...
3 pcs 1W Star LED, rated at max 3.3V, $3.20
STARLED_1W_WW
Star LED (http://www.futurlec.com/Star_LED.shtml)
1pcs LM317T voltage regulator, TO-220 type, 1.5 amp design current, $0.65
LM317T...
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Forum: Lighting
09-08-10, 08:26 PM
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Replies: 40
Views: 31,922
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Forum: Lighting
09-08-10, 08:26 PM
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Replies: 40
Views: 31,922
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Forum: Lighting
09-08-10, 08:25 PM
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Replies: 40
Views: 31,922
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Forum: Lighting
09-08-10, 08:25 PM
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Replies: 40
Views: 31,922
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Forum: Lighting
09-08-10, 08:23 PM
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Replies: 40
Views: 31,922
Low cost LED lights
Here is a homemade LED light that puts out roughly the equivalent of half of a 60W incandescent bulb, using 4W.
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