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Ok, thank you for the answer! Probably I'm gonna buy the board or use another led

Hello growers I'm brazilian (can foreigner post here?) and the lights are very expensive here. I want to buy the lm301h chips and weld them. I read the topic about DIY leds but I'm not finding in which board (PCB?) I can weld them. Is this a viable thing to do or should I invest in a a board...