BLF LED Database - Collaboration Spreadsheet - Share latest news about where to buy LEDs

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Helios-
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MCPCB sheet Awesome!

And wow, I thought it would take longer for FastTech to check & test those copper stars. They did it on Saturday evening even.
Really hope they keep up their customer service & don’t let it slip after they become well established.


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CalvinIS
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Hey guys, not sure if it's not common knowledge, but we do offer quantity discounts on some of our bare LEDs like XP-E2 R3 1D, XM-L2 U2 1C, XM-L2 T6 3C. BLFUser coupon code is also active Smile

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RaceR86
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Thanks Calvin!
I was not aware of the coupon code, and I am sure I was not the only one! I have added it to the information page. Is it 5% off from anything, always?

I have not changed quantity discount to yes, since that is more of a general store thing, and it needs to work for 5 items or less.

You don’t have any “inside” information about copper MCPBCs do you?? Wink Wink

I am not sure what the forum rules says, since this thread is not in the commercial area. But I would certainly not mind if dealers updated special deals or even added some of their products..

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

CalvinIS
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RaceR86 wrote:
Thanks Calvin! I was not aware of the coupon code, and I am sure I was not the only one! I have added it to the information page. Is it 5% off from anything, always? I have not changed quantity discount to yes, since that is more of a general store thing, and it needs to work for 5 items or less. You don't have any "inside" information about copper MCPBCs do you?? Wink Wink I am not sure what the forum rules says, since this thread is not in the commercial area. But I would certainly not mind if dealers updated special deals or even added some of their products..

5% discount code is not stackable and does not apply to clearance items and specific special projects like the PixelPusher, X60L3. In regards to copper MCPCBs, we have a current project we are working on with direct thermal copper boards. If I had the time I would edit the doc directly Silly

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RaceR86
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Someone messed up the first page.. Same type of mess that have happened to various other pages in the past.. I cant bother to fix it right now. Could it be a format thing or something??

I have noticed that Fancyflashlight (and CNQG) have gotten NW XP-G2 back in stock. This time its 5A tint (4200k). No info on bin..

http://www.fancyflashlights.com/goods.php?id=609

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

Helios-
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RaceR86 wrote:
Someone messed up the first page.. Same type of mess that have happened to various other pages in the past.. I cant bother to fix it right now.

The type of mess is those 1st three lines getting randomly moved down?
First time I’ve seen it.
Would Protected Ranges help perhaps?


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RaceR86
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yeah.. something like that.. Something on the top moves down.. And several others things mess up too.
Just look at it now.. Someone (you?) moved up the lines that was down, so it looks slightly better. But still a mess. Things are out of place..

In the past I have usually fixed it right away.. But off to bed now..

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

Helios-
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I see it is all messed up throughout. The 1st three lines just popped out at me right away.

edit
I’ve noticed a restore previous version function. I’m guessing that can’t be used as it reverts all pages of the spreadsheet, not just the one your on? So there may be additions or updates people have made on the other pages that would be wiped out.

last edit?
Think I got the first page back as it was(?). Next time you come on, do let me know if I screwed anything that I’m just not seeing.
Some of the borders keep disappearing. :ghost:

Sounds like this kind of random mess has been happening often, yes?


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RaceR86
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Sweeet!! Thanks for taking the time to fix the information page Helios! Highly appreciated!

Yes, I prefer to avoid restoring since that might delete info that have been added. I do often take backups though. So its not that time consuming for me to fix it. Only need to do a copy paste. And then fix hyperlinks and maybe some lines and such.. So its probably way faster for me to fix it. But since its the fourth time its happened (2 times to XP-G2 page, 1 time to XM-L and one to information page). Well, in the long run the time adds up.. But all looks well now! Smile

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

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RaceR86 wrote:
Sweeet!! Thanks for taking the time to fix the information page Helios! Highly appreciated! Yes, I prefer to avoid restoring since that might delete info that have been added. I do often take backups though. So its not that time consuming for me to fix it. Only need to do a copy paste. And then fix hyperlinks and maybe some lines and such.. So its probably way faster for me to fix it. But since its the fourth time its happened (2 times to XP-G2 page, 1 time to XM-L and one to information page). Well, in the long run the time adds up.. But all looks well now! :)

Google docs has that function built in, you just go to the change history. 

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scaru wrote:

RaceR86 wrote:
Sweeet!! Thanks for taking the time to fix the information page Helios! Highly appreciated! Yes, I prefer to avoid restoring since that might delete info that have been added. I do often take backups though. So its not that time consuming for me to fix it. Only need to do a copy paste. And then fix hyperlinks and maybe some lines and such.. So its probably way faster for me to fix it. But since its the fourth time its happened (2 times to XP-G2 page, 1 time to XM-L and one to information page). Well, in the long run the time adds up.. But all looks well now! Smile

Google docs has that function built in, you just go to the change history. 

Thanks Scaru!
That got me looking.. When I was logged in I found a sweet function. “revision history”. Maybe that was the thing you were talking about?
Either way. That function was sweet!
Someone had actually managed to mess up the XM-L2 sheet already.. Same type of format thing. And it was easy to recover to the exact point before it happend with the “revision history” feature.. Smile

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

Helios-
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Copy & paste! Doh! Shocked

Actually I think I tried copy & paste on a single line, it complained my browser version was too old Flat Stare (If I was on windows I would surely keep it updated to keep exploits at bay :Sp )

Since you mentioned its happened a few times I figured the time & annoyance might add up. Your spreadsheet is so great, need to contribute when there is a chance. :bigsmile:

Yea, the “revision history” seems to only be available when your logged in. I just used it as reference to rearrange the information page. I noticed someone had made an addition on a different page a couple hours after information page got screwed up & I didn’t know if there could have been additions elsewhere.


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RaceR86
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Thanks Helios!

All contributions from everybody are highly appreciated!

If there is a mess up in the future. Ill just use the Revision history feature and go back in time to the right point.. Even much simpler than copy paste..

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

RaceR86
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Added new bare emitters from intl-outdoor:
XM-L2 T6 3C 7.5$
XP-G2 R5 3C 5.45$
XP-G2 R5 2B 5.45$

Thread about them here

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

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RaceR86
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nofearek9 wrote:
http://www.leddna.com/copper-base-pcb-heat-sink-mcpcb-for-cree-xm-l-xm-l2/

Added. Reminds me of the one Fasttech and LCK-LED sell. My guess is that it has insulation layer, but someone please buy on confirm. That goes for the ones from Fasttech and LCK-LED too..

I have also added MK-R on copper MCPCB and bare. CW, J2 BIN. (highest bin!)
I have also added a simple overview of the different BINs in the MK-R page. Did not look too good, but it gets the job done.

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

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RaceR86 wrote:
nofearek9 wrote:
http://www.leddna.com/copper-base-pcb-heat-sink-mcpcb-for-cree-xm-l-xm-l2/
Added. Reminds me of the one Fasttech and LCK-LED sell. My guess is that it has insulation layer, but someone please buy on confirm. That goes for the ones from Fasttech and LCK-LED too.. I have also added MK-R on copper MCPCB and bare. CW, J2 BIN. (highest bin!) I have also added a simple overview of the different BINs in the MK-R page. Did not look too good, but it gets the job done.

Ft confirmed no conductance between the top pad and bottom, so the FT ones definitely have the insulation layer. See discussions on their product page.

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Thanks. Did minor change to comment on those.
Ill let the ones from LCK-LED and LedDNA be questioned until someone have confirmed the same. I assume they are the same though..

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

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Intl-outdoor have now gotten XM-L2 T6 3C on 14/16/20mm
They have also gotten XP-G2 R5 2B and R5 3C on 16/20mm

All added to spreadsheet.

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

sorotantaz
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excellent initiatives guys you all have here! thanks for the sharing Smile I don't know if this is right place to ask. is there anyway we can distinguish xml bin from the emitter physical attributes? I'm trying to tell which of my light is T6, U2 and U3 except reading it from the box or label on the light. maybe the labelling is just not true.
CalvinIS
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sorotantaz wrote:
excellent initiatives guys you all have here! thanks for the sharing Smile I don't know if this is right place to ask. is there anyway we can distinguish xml bin from the emitter physical attributes? I'm trying to tell which of my light is T6, U2 and U3 except reading it from the box or label on the light. maybe the labelling is just not true.

Unfortunately there is no way to tell by looking at the LED, you'll need to trust that your source is reliable and not falsely labeling bins.

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RaceR86
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There are sadly no way to tell the BIN. Only a light meter could tell the difference if you have the emitters you are comparing driven at the same amps.. At least, that should tell which is brighter than the other and thereby indication of BIN. Especially if you have one trustworthy emitter to compare with.

Famous name brands should be trustworthy. The majority of cheap Chinese light I would not consider trustworthy.

I think there are a few stores out there that can be questioned even for the emitters added in the spreadsheet. Im thinking specifically about several of the XM-L2 U2s that was early available. ( I would consider Illumination Supply the best source for XM-L2 U2)

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

sorotantaz
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unfortunate that there's no way to tell without tools.

eventhough having a light meter doesn't really can tell accurately due to the different temperature color, it can lead to some grey area. anyway this might be a concern when there is different information regarding particular product let's say label in the box, label in the manual or warranty card, label in the light itself and label in the seller and manufacture website. even decent manufacture can use box/manual/card with different description to save some cost.

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I got some XM-L2 U2 1A's that have that familiar yellow glow around the center beam - obviously 1B or 1C's, but KD said they were 1A's when asked... I believe they are the Mouser batch's that don't specify a specific tint, just a grouping, and since they "might" be 1A (or 1A is the first listed), they just say 1A.

"I trust in IS", next trustworthy source is Hank for me...

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Tom E wrote:

I got some XM-L2 U2 1A’s that have that familiar yellow glow around the center beam - obviously 1B or 1C’s, but KD said they were 1A’s when asked… I believe they are the Mouser batch’s that don’t specify a specific tint, just a grouping, and since they “might” be 1A (or 1A is the first listed), they just say 1A.

Or they just licked a finger, pointed it up in the air and depending on the way the wind was blowing they decided upon BIN/TINT within the CW range. The other hand was probably used for crossing fingers and hoping for CW.. Silly
I think its their way of deciding what specifications products will get. I also think their customer support work by that philosophy.
I personally don’t consider KD trustworthy of anything. Their customer support come with more false info than true based on my experience with them.

Tom E wrote:

“I trust in IS”, next trustworthy source is Hank for me…


+1

When that is said. FT gets most of my money when it comes to emitters, just because of price. They seem to be fairly accurate when it comes to emitters.
TINT/BIN combo vs PRICE decides who gets my money..

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
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XM-L2 on copper just turned up on DX. Im not sure about the dielectric layer.

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Nice find Flashpilot. I added it.

This colorful XM-L and various others emitters have also been added..
http://www.led-tech.de/en/High-Power-LEDs-Cree/CREE-XM-Serie/CREE-XM-L-Color-on-Star-PCB-LT-2074_120_170.html

Its a shame that LCK-LED did not have the XM-L2 in 3000K when I recently placed an order on various emitters. I would have bought one.. If i buy more from them in the near future I will add one mounted on copper. Just to check it out..
All XM-Ls they sell can be mounted on 16/20mm copper star for 1$ extra.
I have added WW XM-L2 and done some price fixing/update to various stuff..

Also, various other small stuff have been added in the past be me an other users. Thanks to everybody who contribute! Smile

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

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Thanks for keeping the database up to date and tidy for everyone to use. Since it seems to keep getting messed up, perhaps you should consider locking it with a password and distributing that pswd to a select few… just a thought.

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Thanks. If it becomes a problem I will consider. But so far, its seems more and more people are contributing.
Small stuff I easily fix. And the larger mess that have happened to some sheets looks to be some sort of “formatting error” or something. Thanks to Scaru I now know how to easily restore it.

Just that people post links to new emitters (and MCPCBs in this thread is helpful to the whole community.

Its nice to even see people (okay one guy, so far) from CPF joining in and seeing the value of the spreadsheet. Smile

BLF LED database – collaboration spreadsheet and latest news about where to buy LEDs
http://budgetlightforum.com/node/19342

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Nice Work! THANKS!

Dan.

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