设计了安全系数较高的简易电子密码锁，对系统主控制、键盘、红外接收、液晶显示、存储芯片、报警、密码锁等 主要硬件电路设计作了详细描述；对系统作了软件设计。通过测试电子密码锁能实现正确开锁、错误报警以及密码重置等功 能。系统简单、成本低、稳定性好，可用于办公、商业以及住宅等领域。

Design a higher safety factor simple electronic locks, master control system, keyboard, infrared receiver, LCD, memory chips, alarm, locks and other major hardware circuit design is described in detail; the design of the system made the software. By testing electronic locks can achieve the correct unlock, false alarms and password reset functions. The system is simple, low cost, good stability, can be used for office, commercial and residential areas.