diy led lighting assistance needed - Page 6 - The Planted Tank Forum
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post #76 of 80 (permalink) Old 09-30-2020, 08:11 AM Thread Starter
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Quote:
Originally Posted by bubbaray_00 View Post
is that the maker slim housing as your heatsink? its hard to tell from the really bright light It looks great.
i used thermal tape to connect the cobs to the body . the cobs are great and powerful but they are very small and there is barely space to work with/soldering
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post #77 of 80 (permalink) Old 09-30-2020, 06:49 PM
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Looks good. 50-60C is totally fine with Vero cobs.
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post #78 of 80 (permalink) Old 10-01-2020, 04:16 AM Thread Starter
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how long after operating the cobs temp main stable ? is half an hour is enough?
yesterday i measured again and it reached up to 72 c ( some of the cobs)

btw - order this fans for installing

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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post #79 of 80 (permalink) Old 10-11-2020, 07:45 PM Thread Starter
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ok

so until the fans arrive . i am starting my second project . this time for my low/midtech tank.

size 180 cm long /70 cm high /60 cm wide

i will use 10w cobs 9-11V900-1000mA .how many cobs approx i will need and what suitable mean well driver will i need .

this is the link of the cobs

https://www.aliexpress.com/item/3282...5e9c4c4daf7IW0
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post #80 of 80 (permalink) Old 10-12-2020, 05:52 AM
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Originally Posted by alfred3 View Post
ok
so until the fans arrive . i am starting my second project . this time for my low/midtech tank.
size 180 cm long /70 cm high /60 cm wide
i will use 10w cobs 9-11V900-1000mA .how many cobs approx i will need and what suitable mean well driver will i need .

this is the link of the cobs

https://www.aliexpress.com/item/3282...5e9c4c4daf7IW0
I assume you still want to use Meanwell AC/dc drivers?
Or do want to try DC/DC drivers plus a power supply?
How many is a little tricky.
2 rows of 10 should do it.


TECHNICALLY one could use this and run ALL 20 in series (11V x 20 = 220v).
KEEP in mind you are running about 220V of DC over your tank.


HLG-240H-C1050AB
https://octopart.com/hlg-240h-c1050a...+well-94061787

GOOD thing is there is no series/parallel current imbalances to deal with.
If you want more sane answers.. ask..

to be honest.. not much different than hanging a set of t5's over your tank.

"A man with a watch knows what time it is. A man with two watches is never sure"
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