Conversation Between namqn and nvcong
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em dung pic6f877
encoder em chi lay mot chan tin hieu noi voi chan timer,dat che do counter de dem xung.
sau mot khong thoi gian dat truoc xay ra ngat timer(vd:0.01ms).ta lay so xung dem duoc chia cho 0.01ms ,sau bien doi ta se co toc do vong/phut.
lieu khoang thoi gian 0.01ms co hop ly ko a?
thanhk!
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anh ah,em dang lam phan hien thi toc do dong co tu encoder ra led 7 thanh ma khong dung con giai ma.