Tranzistor_001 Posted April 2, 2008 Share Posted April 2, 2008 are careva o schema de switch on/off cu un foto-tranzistor sau altceva un senzor optic ceva ? :weedman: Link to comment
Stefan Posted April 2, 2008 Share Posted April 2, 2008 schemele se pot adapta la ce ai nevoie . cand fotorez nu este "iluminat" rezistenat e f mare cadt il luminezi rez scade (se aseamana cu un comutator -depinde insa la ce prag de lumina .poti pune in loc de comutator un montaj darlington si fototranzistorul sau fotorez. daca pragul de "aclansare" nu este satisfacator") cu buton utile One Button On Off Switch with 4093 and IRFZ44 schema cu senzor IR mai complexa Link to comment
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