本作品以STC89C52单片机为控制核心，基于手机蓝牙串口软件与蓝牙模块，继电器连接控制电灯，实现了以手机控制电灯亮灭的功能。(This work takes STC89C52 microcontroller as the core of control. Based on the Bluetooth serial port software and Bluetooth module, the relay connects and controls the electric light, and