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Building a COB style LED


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#81 mate0x

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Posted 10 March 2017 - 03:32 AM

I am waiting to get an email update when those quantum boards come back in stock :D I think like 50 mid March, and a few hundred end of March.

 

Be on the look out.

 

The top bin CLU048-1818C4 are pretty good, and you can find them cheap.https://northerngrow...n-5-with-holder

 

This thread was very helpful btw, thanks bro.


Edited by mate0x, 10 March 2017 - 03:32 AM.

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#82 Heirloom

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Posted 10 March 2017 - 01:32 PM

The pics kcmo posted shows how great these lights can do. I read here
however this is beyond my skill. I buy lights, I can't build them.

I see chips being used in advanced modern lighting.

#83 kcmoxtractor

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Posted 31 May 2017 - 10:53 AM

We're settled in at the new place and I've started my garden. Just got 4x GG#4 teens

from a new friend, they're lookin' mighty healthy. I'm hoping to be able to start flowering

on Sunday or Monday, the plants are ready.

 

IMG_20170531_093710070_HDR.jpg

 

I also started some feminized blueberry and brought some BTK kush and sour D clones

from home.

 

shorter blueberry

 

IMG_20170531_093720573.jpg

 

taller blueberry, it has comparatively large leaves and is growing faster.

 

IMG_20170531_093725255.jpg


Edited by kcmoxtractor, 31 May 2017 - 10:53 AM.

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#84 Hash_Man

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Posted 01 June 2017 - 07:27 AM

Hey KC

Their looking well, hey If I may ask sir what are you using nute wise also what kind of medium have you got those growing in? I can't quite figure it out, it looks intresting though.

Edit: OceanForest?

Edited by Hash_Man, 01 June 2017 - 10:10 AM.


#85 Heirloom

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Posted 01 June 2017 - 10:01 AM

Nice to see another grow starting, they look great.

#86 425nm

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Posted 01 June 2017 - 11:48 AM

I really need to build one of these. I even have spare seat sinks just sitting around! Only problem is I can't find the bloody thermal capacity of the things (I'm guessing 65w?). You would think that the thermal capacity for stock Intel CPU heat sinks would just be on the internet. The fins curve and fork so I am at a loss for how to do the calculation myself.

#87 kcmoxtractor

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Posted 05 June 2017 - 11:49 AM

Hey KC

Their looking well, hey If I may ask sir what are you using nute wise also what kind of medium have you got those growing in? I can't quite figure it out, it looks intresting though.

Edit: OceanForest?

 

i got the glue teens from a friend here in state :biggrin: it's good to be able to legally trade

cannabis clones/plants. i am unsure what medium they're in. they have been getting

fed with a compost tea, per 5g they get a cup of horse manure and a 1/4 cup of aged

chicken manure. i lucked out when i moved into this new place, there's 20+ gallons of

aged chicken poo in an old compost drum.

 

 

I really need to build one of these. I even have spare seat sinks just sitting around! Only problem is I can't find the bloody thermal capacity of the things (I'm guessing 65w?). You would think that the thermal capacity for stock Intel CPU heat sinks would just be on the internet. The fins curve and fork so I am at a loss for how to do the calculation myself.

 

usually they're 65 or 100w thermal capacity on active cpu sinks. you could just google

for the name/model heat sink and include the word "COB". someone might have already

used it and you can get an idea of what works or doesn't.


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#88 kcmoxtractor

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Posted 09 June 2017 - 11:27 AM

got my photon fantom fixtures set up in one of the tents.

 

IMG_20170609_064204825.jpg

 

gorilla glue plants went mag def on me, they're apparently quite finicky in that regard.

 

IMG_20170609_063932429.jpg

 

blueberry is lookin' mighty fine, but she's slow in veg. check out those fatty indica leaves!

these plants are actually in white 5 gallon buckets, but make it look tiny without a size scale.

 

IMG_20170608_110853816.jpg

 

headband x sour cherry and another glue. the HSC is pretty stocky and she's not finicky

about cal/mag, which is a good thing with COB lighting. HSC is on the far left.

 

IMG_20170609_064114615.jpg


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