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ELFORUM - Forumul electronistilor

schema de la semnal ceas la un releu


Guest ironcross

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Guest ironcross

buna ziuaam un ceas cu alarma alarma este un difuzor piezo care face un bip cand sunaas vrea sa fac o schema cu alimentare la 6 -9 V care sa-mi inchida un releu atunci cand sunareleul este un minireleu, alimentat la 6 V, consum de curent de 300mA cand e activatam incercat niste tranzistori npn chiar si npn-npn in darlington si nu merge, nu ma pricep la tranzistoriva multumesc anticipat

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