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cum scad tens USB sub 5V?

Guest leonard

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Guest mister_rf

Ideea este buna, dar in practica pierzi 0.7V si tu vrei 0.3-0.4V deci trebuie sa pui in serie o dioda schottky recuperata dintr-o sursa de PC sau de exemplu 1N5822...

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am pus dioda, dar tot imi da eroare dispozitivul...firma constructoare a zis ca voltajul e problema, dar se pare ca nu...problema e ca pe unele calc merge, pe altele nu(ca l-am incercat pe vreo 4 calc)nu stiu ce sa-i mai fac..

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