本次设计是基于STC89S52的智能家居报警系统，采用C语言进行开发。报警源是在智能家居防盗系统当中恶意输入错误密码三次。硬件部分包括单片机主控制系统、密码门禁模块、启动LED彩灯和报警模块。-The design is based on intelligent home alarm system STC89S52, using C language development. Alarm source is a smart home security system in which malicious input the wrong password three times. The hardware consists of a microcontroller master control system, password access control module, the start LED lights and alarm module.