本设计采用STC单片机实现对红外线发射接收及继电器的控制，系统由STC单片机控制部分和红外遥控及液晶显示部分等组成。该系统由单片机作为主控机控制各个模块的运行，定位控制准确，响应及时，报警迅速并且还有人机界面，能够在电脑上实现控制各个家居电器的状态。除此以外，该系统还能够进行简单的单片机实验，包括程序下载、串口调试、液晶显示等。-This design uses a single-chip to achieve STC fired infra-red receiver and relay control, the system in part by the STC Single-chip control and infrared remote control and some, such as liquid crystal display components. The system consists of single-chip microcomputer as主控机control the operation of each module, positioning control is accurate, timely response, the police quickly and there are man-machine interface that can control the computer s state of the various household electrical appliances. In addition, the system be able to perform simple single-chip experiments, including downloads, serial debugging, such as liquid crystal display.