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http://indianaquariumhobbyist.com/community/ :: View topic - DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED)
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DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED)
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arjundogra
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PostPosted: Sat Sep 22, 2012 7:09 pm Post subject: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 Hi  I  have  been  having  some  3Watt  Cree  XPG  Led's  for  almost  a  year  now  and  have  at  last  managed  to  build  a  hood  for  my  15x15x15  nano  which  i  intend  to  setup  a  planted  tank.
 Thanks  to  Shelly  IAH  id  joseyjames  for  making  the  LED  driver  and  giving  me  inputs,  I  have  tried  to  make  the  pictures  as  self  explanatory  and  the  construction  easy  to  understand  as  possible.
 Hope  its  of  help
 Arjun  Dogra
 Chennai
 
 
 
 
 
 
 
 
 
 
 
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mama
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PostPosted: Sat Sep 22, 2012 7:16 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 Class  ....  Super  like  Thumbs Up   Thumb Up
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PostPosted: Sat Sep 22, 2012 7:37 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 pro  work   Thumbs Up
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menonabhishek
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PostPosted: Sat Sep 22, 2012 8:15 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 Great  work.  
 
 Can  you  also  post  pic  of  the  back  stand  which  is  resting  on  the  glass  of  the  tank  ?
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PostPosted: Sat Sep 22, 2012 9:22 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 Very  nice  looking  indeed.
 
 If  you  could  guide  the  wire  along  the  back  stand  it  would  look  even  better.  In  most  of  the  lighting  setups  -  wires  hanging  around  make  it  look  unsightly.
 
 I  assume  you  have  some  way  to  adjust  the  height  above  water  level.
 
 regards,
 Venkat
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PostPosted: Sat Sep 22, 2012 10:15 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 Good  Job  arjun  Cheer   Cheer   Cheer
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PostPosted: Sat Sep 22, 2012 10:23 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 Superb..
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PostPosted: Sat Sep 22, 2012 10:30 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 The  fixture  looks  good  Arjun  ,  very  professional  indeed.  I  have  14  of  the  XP-Gs  running  over  my  4  footer.
 
 Thought  I  would  share  this  with  you.  The  junction  temperature  of  these  babies  is  around  150  degrees  C.  I  dont  know  what  current  they  are  running  at  ,  but  if  they  are  at  full  current  ,  they  are  generating  a  hell  lot  of  heat.  Boxing  them  with  acrylic  may  not  be  such  a  good  idea.  I  suggest  that  you  cut  a  rectangular  piece  straight  off  the  side  opposite  the  fans.  You  have  blowholes  there...but  they  may  not  be  sufficient,
 
 If  the  driver  is  dimmable  ,  it  may  be  a  good  idea  to  use  a  linear  pot  and  reduce  the  current  flow.  It  increases  the  life  of  the  LEDs.  You  may  also  want  to  reduce  the  height  of  the  stand  holding  the  fixture.  There's  too  much  light  bleeding  off  the  sides.
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PostPosted: Sat Sep 22, 2012 10:37 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 Awesome  DIY  and  Excellent  driftwood  man.....
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arjundogra
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PostPosted: Mon Sep 24, 2012 12:26 am Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

                                                   
apuda2010  wrote  (View  Post):                
The  fixture  looks  good  Arjun  ,  very  professional  indeed.  I  have  14  of  the  XP-Gs  running  over  my  4  footer.
 
 Thought  I  would  share  this  with  you.  The  junction  temperature  of  these  babies  is  around  150  degrees  C.  I  dont  know  what  current  they  are  running  at  ,  but  if  they  are  at  full  current  ,  they  are  generating  a  hell  lot  of  heat.  Boxing  them  with  acrylic  may  not  be  such  a  good  idea.  I  suggest  that  you  cut  a  rectangular  piece  straight  off  the  side  opposite  the  fans.  You  have  blowholes  there...but  they  may  not  be  sufficient,
 
 If  the  driver  is  dimmable  ,  it  may  be  a  good  idea  to  use  a  linear  pot  and  reduce  the  current  flow.  It  increases  the  life  of  the  LEDs.  You  may  also  want  to  reduce  the  height  of  the  stand  holding  the  fixture.  There's  too  much  light  bleeding  off  the  sides.                

 
 Hi  thanks  for  the  inputs  I  am  running  the  leds  at  1  amp  which  is  not  the  full  power  and  i  am  sure  i  have  provided  enough  holes  for  air  circulation,  but  will  suerly  be  on  the  lookout  for  ant  trouble,  thanks
 Arjun
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Romi
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PostPosted: Mon Sep 24, 2012 2:51 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

                                                   
apuda2010  wrote  (View  Post):                
The  fixture  looks  good  Arjun  ,  very  professional  indeed.  I  have  14  of  the  XP-Gs  running  over  my  4  footer.
 
 Thought  I  would  share  this  with  you.  The  junction  temperature  of  these  babies  is  around  150  degrees  C.  I  dont  know  what  current  they  are  running  at  ,  but  if  they  are  at  full  current  ,  they  are  generating  a  hell  lot  of  heat.  Boxing  them  with  acrylic  may  not  be  such  a  good  idea.  I  suggest  that  you  cut  a  rectangular  piece  straight  off  the  side  opposite  the  fans.  You  have  blowholes  there...but  they  may  not  be  sufficient,
 
 If  the  driver  is  dimmable  ,  it  may  be  a  good  idea  to  use  a  linear  pot  and  reduce  the  current  flow.  It  increases  the  life  of  the  LEDs.  You  may  also  want  to  reduce  the  height  of  the  stand  holding  the  fixture.  There's  too  much  light  bleeding  off  the  sides.                

 
 Wow,  had  no  idea  that  they  heat  up  to  that  temp!  Joyce,  having  more  LEDs  and  dimming  them  is  a  better  idea  than  having  fewer  and  using  them  on  full  current?  
 
 @Arjun
 
 Wow!  What  a  splendid  setup.  The  pics  are  top  notch.


Last edited by Romi on Mon Sep 24, 2012 4:16 pm; edited 1 time in total
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PostPosted: Mon Sep 24, 2012 3:34 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 From  where  did  you  get  this  hardware?  I  am  looking  for  some  good  online  stores  from  where  i  can  get  all  the  LED  related  stuff.
 
 Also  tell  me  the  procedure  to  make  the  driver  or  share  the  link  plz.
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PostPosted: Mon Sep 24, 2012 4:15 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

                                                   
vkv  wrote  (View  Post):                
Very  nice  looking  indeed.
 
 If  you  could  guide  the  wire  along  the  back  stand  it  would  look  even  better.  In  most  of  the  lighting  setups  -  wires  hanging  around  make  it  look  unsightly.
 
 I  assume  you  have  some  way  to  adjust  the  height  above  water  level.
 
 regards,
 Venkat                

 
 Since  the  support  is  clear  acrylic,  he  can't  really  hide  the  wire  even  if  he  aligns  the  wire  to  the  support.  It  will  show  just  as  easily.  I  think  what  the  foreign  aquascapers  like  JB  or  George  Farmer  would  do  is  to  simply  hold  the  wire  away  from  the  main  frame  for  the  photoshoot!
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josyjames
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PostPosted: Mon Sep 24, 2012 4:30 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

 @  Arjun,
 
 Very  nice  setup.  I  liked  the  hood.  Its  looking  really  awesome.  The  white  casing  is  looking  very  nice.   Thumb Up  
 
 Waiting  for  the  final  setup  with  the  plants  in.
 
 
                                                 
apuda2010  wrote  (View  Post):                
The  junction  temperature  of  these  babies  is  around  150  degrees  C.                  

 
 LED's  with  proper  heatsink  does  not  generate  much  heat.  Heat  sink  plays  an  important  part  in  high  power  led's.  If  you  provide  proper  heat  sink,  then  there  wont  be  much  heat  generated  by  the  led.  More  over  if  you  provide  an  exhaust  fan,  it  would  further  help  the  heatsink  cooling.
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PostPosted: Mon Sep 24, 2012 4:30 pm Post subject: Re: DIY LED FIXTURE FOR PLANTED NANO (PICS ATTACHED) Reply with quote

                                                   
GGARG  wrote  (View  Post):                
From  where  did  you  get  this  hardware?  I  am  looking  for  some  good  online  stores  from  where  i  can  get  all  the  LED  related  stuff.
 
 Also  tell  me  the  procedure  to  make  the  driver  or  share  the  link  plz.                

 
 Rapidled.com  is  a  good  source  they  also  sell  drivers.  Joseyjames  iah  member  was  kind  enough  to  make  the  driver  for  me.
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