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ELFORUM - Forumul electronistilor

Bormasina cu acumulator

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Salutare!Am o bormasina cu acumulator de 14.4 volti si din lipsa de acumulator i-am montat un acumulator de 12V si 7 A dintr-un ups.Din neatentie i-am montat firele invers si nu mai merge acum reglata turatia.Am demontat butonul si are un montaj smd.....ars.Acum as dori o schema sa variez turatia motorului,din bormasina a ramas intreg mosfetul de putere si potentiometrul liniar din buton.Cu bipolar stiu cum sa fac dar cu mosfet nu stiu.Tranzistorul in cauza este un N channel mosfet de 60V.45A si potentiometrul este de 500k.Multumesc anticipat

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