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A little off-topic here. I want to power twelve 12v, 3w LED landscape spotlights with a dimmable driver. I'd prefer one that has an internal pot for dimming. Outdoor use, so an IP67 or so rating. Ideas most appreciated.

HERE's the announcement: Dear Customers, Optic Lighting LLC and all associated websites have been recently bought by Reality growth Corp. We are in the process of transferring all Information to our new servers for a smooth transition. We will also be updating the website during this process...

I use CPU coolers for my DIY light. To protect the COBs in the event of a failure of the 12V DC power supply for the fans, I'd like to add a relay switch so that if the PSU fails, the COBs won't get power. I know little about these relays. Would something like that shown below be a good...

Yesterday I posted a question about how to apply thermal grease. Thanks again for all the advice. This is the now finished light, front and back. 6 each CXB3590s mounted on Arctic 64s with holders, 3 each MW HLG-120H-C1050As, a 12V power supply and a 6 channel fan speed control. There are 3...

Evidently, there are many differing ways to apply thermal grease when attaching an LED to a heatsink. Dots, x's, lines, full coatings (thin or otherwise), push down, let the screws in the holder do the pushing, etc. The info I've found (more often in relation to CPUs) lacks consensus as to...