DIY with Quantum Boards
- Thread starter robincnn
- Start date
Schalalala
Active Member
AZ or A1?
robincnn
Well-Known Member
AZ
Not sure what's voltage rating on that
I use NTE
https://www.ntepartsdirect.com/ENG/CATEGORY/HOOK_UP_WIRE_300_VOLT_SOLID
https://horticulturelightinggroup.com/pages/qb-optics-and-connectors
Last edited:
robincnn
Well-Known Member
Dimming Type A Driver
Vo needs adjustment only if LED/Board/COB Voltage exceeds 54V
For Qb288 boards, most cases you don't need to adjust it
https://horticulturelightinggroup.com/pages/qb288-board-guide
Io (current) for dimming
Vo needs adjustment only if LED/Board/COB Voltage exceeds 54V
For Qb288 boards, most cases you don't need to adjust it
https://horticulturelightinggroup.com/pages/qb288-board-guide
Io (current) for dimming
CobKits
Well-Known Member
it should be fine. is probably marked CMR/CLR2 which is a 300V rating
robincnn
Well-Known Member
Got a acrylic sheet from Lowes and cover. Right bare diodes.
135W kit
More pics of sheet
https://www.rollitup.org/t/diy-with-quantum-boards.927159/page-115#post-13377349
135W kit
More pics of sheet
https://www.rollitup.org/t/diy-with-quantum-boards.927159/page-115#post-13377349
robincnn
Well-Known Member
Yes Steve and I have done several tests with plates.
Depends on heatsink/plate type, size, sheet thickness and AL grade
Slate 1 does not offer much advantage. Just a different grade of aluminum.
Slate 2 has lot more surface area than a sheet and offers better cooling than plate
Evil-Mobo
Well-Known Member
Gonna send a PM have a couple of questions..........
robincnn
Well-Known Member
Does not act as optic.
Noting to do with plant tip burning
Just to cover diodes. It's not air tight . Just additional physical protection against dust, impact on diode. May also help keep some water/splay stay from diodes
RandomHero8913
Well-Known Member
Looks great Robin
CobKits
Well-Known Member
hey robin have you done any PAR readings with and without the acrylic? it has excellent transmittance on axis but im wondering how it works with such a spread out light source?
looking at the datasheet for lm561:
then the transmittance graph for acrylic:
it looks like about 25% of the light is cast off at above 50 degrees where it would start to reflect off the acrylic. so this would bounce around between the acrylic and the white board
I'd guess the losses might be closer to 10% than the theoretical 8%
looking at the datasheet for lm561:
then the transmittance graph for acrylic:
it looks like about 25% of the light is cast off at above 50 degrees where it would start to reflect off the acrylic. so this would bounce around between the acrylic and the white board
I'd guess the losses might be closer to 10% than the theoretical 8%
JustMeds
Well-Known Member
@Stephenj37826 or @robincnn,
How do I wire my boards like you were talking about in this post https://www.rollitup.org/t/diy-with-quantum-boards.927159/page-156#post-13451698 ? Just want to make sure I do it right and not let the smoke out, its impossible to get back in....LOL Its the 480
How do I wire my boards like you were talking about in this post https://www.rollitup.org/t/diy-with-quantum-boards.927159/page-156#post-13451698 ? Just want to make sure I do it right and not let the smoke out, its impossible to get back in....LOL Its the 480
Stephenj37826
Well-Known Member
288 or 304 boards?