采用单片机PIC16F877A 编写的基于串联谐振主回路的感应加热程序，实现对谐振频率的自动跟踪，已经过阻性负载和感性负载实验，实验结果良好。-Based on written using PIC16F877A microcontroller series resonant circuit induction heating main program, automatic tracking of the resonance frequency has been resistive load and inductive load experiments, good results.