cob diy

  1. meangreengrowinmachine

    Looking to do 5 cob bars using cxb3590 should I use 1400 or 2100 ma drivers?

    So I think soon I should be able to pull the trigger on finishing my upgrade to COB's. My idea is to use 5 bars each using 5 cobs spaced approx 12" on center on each bar then have each bar approx 12 inch away from the other bars effectively getting 1 cob per sqft. in a 5 x 5 space. My first bar...
  2. Northernpop

    Advice please - 12v or 36v led drivers for diy cob build

    Hi Guys, I'm trying to build a cob grow system for my small grow room, but I'm financially embarrassed. It's only 2 x 3ft in size, so I was looking at something around the 200-300w range. With this in mind, could I build a cheap diy cob system with 12v drivers and chips, or do I need to stick...
  3. AutoNorCal

    Small time farmer here, good choice?

    Okay so I know amazon has cheap and crappy leds which should be avoided like incurable VD! That being said I have read great things about timber, rapidled and few other brands. I’m not afraid of dyi kits This is what I’m looking at...
  4. coreywebster

    COB light problem. Loose chips sink ships

    Alright fine fellows. I have just been to tend to my ladies and noticed one part of my light was out. Its a 9x clu058 1825 jobby. 3 drivers running 3 cobs each at 1400mA. So on closer inspection I noticed a wire hanging down, they are soldered as the BJB holders were very slightly out of...
  5. berulakide

    cob diy idea need input

    hello, i have some cheaper leds and am thinking of building some cobs. I have read a bunch on them now and have found kits for $50 and I wonder if they would be any good? 100Watt High Power 380-840nm LED Light + Heatsink Cooler+100W LED Driver+LENS Specifications: led driver: OutPut: DC...
Top