文章介绍了多功能节拍器的硬件和系统软件的结构。多功能节拍器由单片机PIC16C72和输入 输出电路组成。在软件的控制下,简单的电路完成了节拍器、闹钟、温度计、温度控制器和时间控制 器等多项功能。文中给出了电路图,分析了系统软件结构,并给出了主程序、时钟、节拍器的流程图。 The article introduces the structure of the multifunction metronome hardware and system software. Multi-function metronome PIC16C72 by the microcontroller and input and output circuits. Under the control of the software, the simple circuit has completed many functions such as metronome, alarm clock, thermometer, temperature controller and time controller. The paper gives the circuit diagram, analyzes the system software structure, and gives the main program, clock, metronome flow chart.