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Ban than DC servo co rat nhieu loai nhu: AC va DC. Trong dong co DC servo co 2 loai chinh voi cau tao, dac tinh cung nhu cach dieu khien khac nhau. Dong co servo DC co choi than (brush motor) chi can cap du dien ap toi thieu la no chay va co the dieu khien bang PWM. Loai thu 2 la dong co servo DC khong co choi than (Brushless motor) dieu khien phuc tap hon... minh khong biet ban muon hoi DC servo nao?
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