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ELFORUM - Forumul electronistilor

caut led-uri

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Orice led il poti alimenta la 20V doar ca folosesti un rezistor inseriat cu ledul, rezistor calculat in funtie de curentul si caderea de tensiune pe led.Ce intelegi prin lumina foarte puternica ? Ledurile ultra bright din comert nu iti satisfac dorinta?Ce culoare?

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