Guest bodinel Posted January 17, 2009 Share Posted January 17, 2009 vreau sa-i fac alimentare la mp3 asta de mai jos dar nu prea ma stiu in electronica ,am un ford focus si as vrea sa pun o mufa usb pe bord sa nu folosesc tot felu de adaptoare in mufa de la bricheta ,vreau sa desfac si sa leg 2 fire in spatele brichetei din bod si de acolo sa leg o mufa usb si sa o plantez pe bord .Acuma intrebarea trebuie sa mai pun si transformatoru ?sau direct usbu??sper ca stiti la ce ma refer .Asta ee nu prea ma stiu in electronica . Link to comment
miron1947 Posted January 17, 2009 Share Posted January 17, 2009 Transformatorul nu functioneaza in curent continu(masina),daca este alimentat pe USB,va trebuie un montaj care sa reduca tensiunea de la 12-14V care este pe masina,la 5V cat este pe USB.Vedeti ce scrie pe alimentator,ce curent debiteaza. Link to comment
Guest bodinel Posted January 17, 2009 Share Posted January 17, 2009 dc5v+-5%300+-50am Link to comment
Guest bodinel Posted January 17, 2009 Share Posted January 17, 2009 o sa cumpar un adaptor am vazut acuma pe net cu usb si o sal plantez pe acela in bord ,am vrut sa scap de cateva cheltuieli ,recesiune:D Link to comment
miron1947 Posted January 17, 2009 Share Posted January 17, 2009 300+-50amDaca am inseamna mA,puteti folosi un stabilizator 7805.http://www.e-piese.ro/shop/ua7805-mbr.html Link to comment
Guest bodinel Posted January 17, 2009 Share Posted January 17, 2009 mersi de raspuns am facut merge Link to comment
Dr.L Posted January 18, 2009 Share Posted January 18, 2009 nu uita sa-i pui si radiator! Link to comment
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