led diy samsung lm301b

I am wanting to build my own high-efficiency grow light using individual smds like the LM301B. was looking at the Samsung F series bars but want to be more customizable and run at a higher efficiency. Can anyone help with the math and potential schematics to review and reference? I am willing...

Hello, I'm very confused in deciding what lights to get. I plan on attempting two different kinds of growing. Bellow are my current researched options and some comments or thoughts alongside each. Any criticism or advice is greatly appreciated! (I believe all Quantum boards are equipped with...

Sup! Whats the deal with these little bad boys ? 80cri 2700-6500k 220lm/w Have these been discussed? http://www.samsung.com/global/business/business-images/led/file/product/products/201706/LM301B_Leaflet_170421.pdf