本防盗监控系统是以AT89C51单片机核心的自动控制系统，采用了热释电红外传感器检测（实际电路用按键开关模拟）和密码输入判断的双重防盗技术，用于家庭个体的安全防护。-The security monitoring system is based on AT89C51 microcontroller core, automatic control system using pyroelectric infrared sensor detects (the actual circuit simulation with the key switch), and determine the double password security technology, security for the individual family.