Research on Electronic Coin Recognition System Based on STC89C52

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Abstract:

STC89C52 single-chip microcomputer is used as control core of the system, and characteristics of photoelectric switch is used to design a scheme for detection of face value of coins based on different sizes of coins. Genuine coins and counterfeit coins have different size and mass, based on which the combination of strain sensor and photoelectric switch is put forward to design a scheme for identifying genuine coins and counterfeit coins. In this paper, hardware and software design of the system is introduced in a detail way and system testing is conducted at last, the result of which indicates that the system can realize the identification, classified statistics, sound and light prompting for coins with different face values as well as identification of genuine coins and counterfeit coins, and thus has a certain degree of prospect for application and value of promotion.

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432-436

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January 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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