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That is just not true.

Woah, all this COB talk! Sure are great and all... This link has some nice info, especially about powering these strips and such.

Unless your buying from Digikey or another reputable supplier, they will NOT be a samsung 5730chip. Just a knock off. Or worse when the chinese suppliers actually label the counterfeits as Samsung smd. Now that I have purchased a few strips from different eBey suppliers it's clear, the quality...

This video kinda helps to understand a bit about powering these strips and some details of the wiring as Randomblame explained to you. GB

@plimsoul My project will be using one or two older style AT computer power supplies I have kicking around. The voltage is not variable on these. eby has some cheap power supplies that are adjustable/20A(240w?)/free shipping... around 25$. Someone (caretak3r ?) mentioned using a dimmer out...

If it doesn't grow, worst case I'll have a very cool $25 shop light. Looks like we have something similar in mind. (20"x28" for 2.5'x2.5')

Really glad you started this, liesandlies. So little technical and practical info out there. There are many poor and failed experiments due to "power loss" and lack of understanding/ overestimating. No wonder people give up and say they don't work. However if you do the math, these strips in...