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Is there some way to test questionable COB's I'm new to growing and COB's. I was wondering if they can be tested with a volt meter or another way before mounting on the heat sinks. Any help would be appreciated.

Can anyone please recommend the best thermal pads for the CXB3070/3590. I appreciate all the help anyone can provide.

I've been working on my light for a while and am finally mounting the cob's. I have Cree CXB3070's and Ideal 50-2234C holders. I try to mount the cob in the holder before applying the tim. The cob won't stay in the holder and pops out very easily. I do finally screw everything onto the hs but...

I'm getting all my parts together for my first build. I'm at the part of the process where I'm wondering what connectors to use to connect the driver to the AC and DC sides of the driver. I see some people use butt splice connectors. What I want to do is to be able to disconnect the driver or...

I'm a noob to diy led builds so this question may sound dumb. However, after spending days reading as much as I can I'm thinking of building a 10 COB passive light. It's recommended that every COB has it's own driver. So, my question is, how do I connect 10 drivers to get power from my AC...

I am new to DIY building and growing. I have spent as much time as I can on this site trying to build lights and grow medicine. One thing I learned is there is so much to learn. My state allows 4 plants for personal use. I'd rather grow it than buy it..so here I am. With the help of the many...

I am new to DIY grow lights and growing. I've spent as much time as I can on this site trying to learn to build lights and grow medicine and there is so much to learn. My state allows 4 plants for personal use. I'd rather grow it than buy it so here I am. With the help of the many "growing...