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  1. J

    Heatsinks for DIY LED lamps

    Hi Supra! Im having trouble with my build :( I attached my CREE successfully to my arctic 11 heatsink but I'm afraid to let it run for more then five minutes because I feel its too hot and will burn itself out. Is this possible? My heatsink stays cool but the surface of the CREE 3070 is in the...
  2. J

    DiY LED Grow Lights with CREE CXA3070 COBs and CPU Coolers

    Im having trouble with my build! I attached my CREE successfully to my arctic 11 plus heatsink but I'm afraid to let it run for more then five minutes because I feel its too hot and will burn itself out. Is this possible? My heatsink stays cool but the surface of the CREE 3070 is in the 200+...
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