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ELFORUM - Forumul electronistilor
Guest BogdanCovlea

Leduri care "danseaza" dupa muzica

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Guest BogdanCovlea

SALUT tuturor.Nu sunt vreun mare electronist tocmai de aceea vreau sa va adresez o intrebare.Acum ceva timp am cautat pe internet o schema cu leduri ce "danseaza" dupa muzica.http://www.danielandrade.net/2005/12/06/howto-blinking-leds/#more-27. Nu am gasit tranzistor tip 31 si am inteles ca montajul ar functiona si cu un tranzistor BD441, asa ca ma mers si am cumparat. Am folosit un singur led de 3 v si o sursa de 3,7 v, problema este ca ledul ramane permanent aprins, nu palpaie.Ce pot face??? Multumesc anticipat.

 

Dr.L: schema aia e o porcarie. Am prezentat pe forum (daca nu in subiectul asta, atunci in altele, ca tot apare...) de ce.

Folositi-o cu incredere p-asta: http://www.elforum.info/topic/72920-leduri-care-danseaza-dupa-muzica/?p=1292574

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de tipul asta am facut eu . mai bine ai lua un alimentator 12 volti cur. continuu decat o baterie de 9 volti, si sa pui in jur de 6 leduri . uite informatia http://www.instructables.com/id/Music-L ... /?ALLSTEPS Ca sa iasa ledurile si plexicul asa " inghetate" iei un smirghel de granulatie 360 si dai pe plexic pana iesa mat

 

Si videoul

 

PS: IN LOC DE LEDURI POTI LUA BANDA DE LEDURI TIP SMD SI IESA MAI FRUMOS.... :da

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Guest BogdanCovlea

Salut. Am revenit cu aceeasi problema.Si cu u Bd243c ledul ramane tot aprins. Ce sugestii aveti .Multumesc anticipat

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