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ELFORUM - Forumul electronistilor

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Salut, Cum as putea sa confectionez un device care simte cand se trece prin dreptul lui prin taierea razei pe care el o face intre 2 puncte plasate de-o parte si de alta a unei usi/porti de acces in curte? Si sa alarmeze prin cateva bip-uri o sonerie remote. (Ceva de genu razelor laser pe care le vezi prin filme la paza vreunui diament in beciul Bancii.. :) )Exista vreo schema din revistele de profil pe care sa o adaptez?Daca acest subiect a mai fost discutat va rog sa imi spuneti unde sa il caut.Stima!SM

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