本设计以单片机AT89C51作为密码锁监控装置的检测和控制核心，分为主机控制和从机执行机构（本设重点介绍主机设计），实现钥匙信息在主机上的初步认证注册、密码信息的加密、钥匙丢失报废等功能。-The design AT89C51 microcontroller as the detection and control of core lock monitoring devices, into the host and slave control actuator (This set focuses on the host design), to achieve initial certification registration key information on the host, encrypted password information, function keys are lost scrapped.