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ELFORUM - Forumul electronistilor

Senzor de lumina

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Buna ziua! As avea nevoie de ajutor pentru a crea un circuit electronic pentru masurarea nivelului de iluminare(100-300 lux) dintr-o camera, in domeniul specificat. Circuitul este prevazut cu 3 sau mai multe indicatoare (LED) care semnalizeaza depasirea pragurilor. De asemenea, circuitul este alimentat de la tensiunea ±VCC(16V). LED-urile trebuie sa fie de culori diferite pentru fiecare domeniu specificat. Rezistenta electrica(10k-100k) a traductorului de lumina variaza liniar cu valoarea nivelului de iluminare măsurat. 

Nu stiu cum ar trebui sa arate schema electrica, nu reusesc sa o compun. M-ati putea ajuta va rog?.

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