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chao cac bac toi dang lam 1 project co lien quan den dieu khien 1 luc 3 dong co step va 1 dong co DC bang may tinh toi khong biet lam sao de cho no chay dong thoi 1 luc 3 dong so step(toi dung con 8255 de mo rong va viet bang VC++) toi co lam thi cung chi chay cung luc duoc nhung khong dam bao duoc moment va chay sai so hoi lon mong cac bac giup do va cho y kien
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