reg obrotow do pc + diody + wentyl - elektronika co i jak?



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From: "Crazy John" <crazyjohn_at_nospam_polska.wirtualna.pl>
Subject: reg obrotow do pc + diody + wentyl - elektronika co i jak?
Date: Sat, 25 Dec 2004 18:25:20 +0100

heya

odkopalem takie cos:
http://www.dzikie.net/?mode=1&cel=regulacja2



zmontowalem i dziala ladnie
ale teraz zaczalem sobie myslec, troche mierzyc mierniczkiem i naszlo mnie,
zeby sobie podswietlic wentyl czterema diodami (na 12V chyba) i zeby to
podlaczyc tak, zeby przy zwalnianiu przygasaly diody. niby nic trudnego, ale
chcialbym tez zeby bylo tak, ze wentyl mi nie staje jak skrece potencjometr
na minimum... musze odpowiednio dobrac opory, prawda?
mam taki pomysl, zeby podlaczyc to rownolegle czyli mniej wiecej tak jak
jest powyzej, z tym, ze wlaczyc rownolegle do wiatraka cztery diody...

moze mi ktos podpowiedziec co i jak mam dobrac? nie znam sie na elektronice,
nie za bardzo kojarze jakie dac oporniki i jakie diody... na wentylu mam
napisane 7V-13.2V ale nic o Amperach... troche jestem zawiniety i do konca
nie lapie...

mam nadzieje, ze jasno napisalem o co chodzi


wenty + 4 diody + regulacja plynna tak zeby wentyl nie stawal

mam tez jeszcze pytanie: po jaka ch0lere jest ten tranzystor mocy BD140 bo
nigdzie nie moge znalezc, a nie rozumiem tak na chlopski rozum poprosze

thx i
pozdr


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