本系统由单片机系统、矩阵键盘、LED显示和报警系统组成。系统能完成开锁、超次锁定、报警、修改用户密码基本的密码锁的功能。除上述基本的密码锁功能外，还具有掉电存储、声光提示等功能，依据实际的情况还可以添加遥控功能。本系统成本低廉，功能实用-The system consists of the SCM system, matrix keyboard, LED display and alarm systems. System to complete unlock, Transdimensional the the locking, alarm, modify user password password lock function. In addition to the basic password lock function, but also has a power-down storage, sound and light tips can also add remote control function according to the actual situation. The cost of the system, functional and practical