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telecomanda > sonerie wireless


Guest vasilesas

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Guest vasilesas

As avea nevoie de un montaj care sa imi anclanseze un releu de 12v atunci cand receptorul soneriei canta melodia. Receptorul e alimentat la 3v ( ca la toate soneriile wireless) , dar eu am nevoie sa imi anclanseze un releu de 12v.

 

Schema de mai jos : decuplez difuzorul , dar cum fac sa imi alimenteze releul la 12 v fara ca aceasta tensiune externa sa influenteze receptorul soneriei ?

 

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