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chao cac bac!Em dang lam cai dieu khien toc do va dao chieu dong co.
Muc dich:Em dung AVR de dieu khien dong mo con 4N35 de kich mo role de dao chieu dong co.con phan toc do thi bam xung qua pwm...
Con 4N35 cua em no hoat dong dien dien the nao y,luc duoc luc ko.Em thu hoat dong cua no bang cach:
chan1:cap 5v,qua 1 led1 va tro 330truoc khi vao 4N35
chan2:noi dat
con led nay sang =>chan 1 và thong.
chan 3 va 6 ko lam gi ca.
chan 4: qua 1 tro 330 roi dau led2
chan 5 :treo 5v
khi em cap nguon 5v vao chan 1 thi chi co led1 sang con led2 ko thay sang moi dau chu?ma em mua den 4con 4N35 ngoai cho troi ve thu roi.con nao cung chay dien dien y.bac nao chi cho em vi fat?
Em dang can gap.thank
Muc dich:Em dung AVR de dieu khien dong mo con 4N35 de kich mo role de dao chieu dong co.con phan toc do thi bam xung qua pwm...
Con 4N35 cua em no hoat dong dien dien the nao y,luc duoc luc ko.Em thu hoat dong cua no bang cach:
chan1:cap 5v,qua 1 led1 va tro 330truoc khi vao 4N35
chan2:noi dat
con led nay sang =>chan 1 và thong.
chan 3 va 6 ko lam gi ca.
chan 4: qua 1 tro 330 roi dau led2
chan 5 :treo 5v
khi em cap nguon 5v vao chan 1 thi chi co led1 sang con led2 ko thay sang moi dau chu?ma em mua den 4con 4N35 ngoai cho troi ve thu roi.con nao cung chay dien dien y.bac nao chi cho em vi fat?
Em dang can gap.thank
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