The digital code lock using AT89S52 microcontroller as the main chip, the EEPROM stores the password. Hardware, including the main control system, interactive interface and output system of three parts. Application of SCM software part of the C language to implement all control functions of the design. C compiler easy accessibility and good, and easy portability to meet the functional requirements to achieve this system. In the design process, given the system' s principles and C language programming flow chart.

数字密码锁.doc

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