Bank and place of entertainment and game center in shopping malls use to have a lots of coins to change. They use coins counter machine to count but classification the coins. Easy to make more mistakes and cost too much time. So the study in this thesis is to create the coin classification counter. The major of this study are applicant the single chip microcomputer and micro switch to count the coins. The second important part of the coin classification is speed the coins after counter and correct the right number of the coins. The coin classification need very fast speed to process much more coins at the short time. After study and success to make the coin classification counter that proof and achieve the topic idea.
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