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Search took 0.00 seconds. Search: Posts Made By: Xringer

Forum: Lighting

11-07-10, 08:52 AM

Replies: 40

Low cost LED lights

Views: 31,691

Posted By Xringer

I'm going to look more at those little 12v arrays...

I'm going to look more at those little 12v arrays they make to replace lamps in cars.
Those might be more tolerant to my solar chargers..

I'm not up to speed on supercaps, but I know that a 1...

Forum: Lighting

11-06-10, 09:35 PM

Replies: 40

Low cost LED lights

Views: 31,691

Posted By Xringer

Maybe it's only a 2.5 w lamp??

Humm, It sounded too good to be true..

MR16 48 SMD 3528 LED Low Voltage 12 V DC/AC LED Light - Low Voltage LED Lights - LEDLight (http://www.ledlight.com/mr16-48-smd-3528-led-light.aspx)

"...

Forum: Lighting

11-06-10, 03:58 PM

Replies: 40

Low cost LED lights

Views: 31,691

Posted By Xringer

I really like the 9W lamp for $6.39, but I know...

I really like the 9W lamp for $6.39, but I know it's for indoor use, not for cars..
I don't think they have a regulator, and that makes me wonder how these would do when used with 13.8vdc??

With...

Forum: Lighting

11-06-10, 02:30 PM

Replies: 40

Low cost LED lights

Views: 31,691

Posted By Xringer

Wow, a 10w LED for $7 ...

Wow, a 10w LED for $7
http://imgs.inkfrog.com/pix/dxy_dxy/DSC00499_.jpg
10W 600LM Warm White Led High Power Lamp 10~12V F - eBay (item 170552346374 end time Nov-12-10 10:55:00 PST)...

Forum: Lighting

11-02-10, 09:56 AM

Replies: 40

Low cost LED lights

Views: 31,691

Posted By Xringer

You might be right, I just took a quick look on...

You might be right, I just took a quick look on Ebay and found some interesting stuff.
I'll have to do a serious search this evening.. :)

This seems like something to try. I can't see how it has...

Forum: Lighting

11-01-10, 09:59 PM

Replies: 40

Low cost LED lights

Views: 31,691

Posted By Xringer

I've not seen any specs on the 3w LEDs. They seem...

I've not seen any specs on the 3w LEDs. They seem to have the best w/$
at $1.63 per watt. (vs $3.20 a watt for the 1w LEDs).

Is the forward voltage 3.3v ??

And, how is the shipping cost at...

Forum: Lighting

11-01-10, 11:28 AM

Replies: 40

Low cost LED lights

Views: 31,691

Posted By Xringer

I was just looking at those 3.3v 1W Warm White...

I was just looking at those 3.3v 1W Warm White LEDs again.. :D

Then, I went down stairs and looked at my two 12v batteries.
Both were indicating a full charge. Both measured at 13.2 volts.
...

Forum: Lighting

09-09-10, 08:11 AM

Replies: 40

Low cost LED lights

Views: 31,691

Posted By Xringer

There are on-line programs for building lm317...

There are on-line programs for building lm317 regulators on the web.
I built one last July.. http://ecorenovator.org/forum/projects-improvements/875-solar-tracker-project-12.html#post7318

And,...

Forum: Lighting

09-08-10, 08:42 PM

Replies: 40

Low cost LED lights

Views: 31,691

Posted By Xringer

Pretty neat.. I like it! You need to edit...

Pretty neat.. I like it!

You need to edit the link for the LEDs.. Star LED (http://www.futurlec.com/Star_LED.shtml)

I'm wondering why you couldn't just use 4 LEDs across a 12v battery??

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