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    DiY LED Grow Lights with CREE CXA3070 COBs and CPU Coolers

    EXCELLENT INFO...Please help me get my fans running ARTIC 64 PLUS 4 pin can'take seem to get any power no matter how I hook any 2 wires up to power supply how did you get your ARTIC running do I need a pwm or potentiometer or what?.. PLZ HELP I'm so frustrated......got 48 cxa3037s and...
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