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Cam on anh F. Em cung doan la the. Nhung ma thong so vong quay cua encoder thi em chiu. Cai do minh can phai biet chu a. The nay khong kheo lai phai kiem con khac thoi. Khong biet co thao ra dc khong , ma thao ra thi co the biet dc vong quay co no khong?
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