该程序实际上是基于单片机设计的，电路板需要自己焊接，内附的文档有详细说明。它实现了单片机控制的简单图形显示，包括心形图、圆形图和星形图-The program is actually based on single chip design, circuit board needs its own welding, containing a detailed descr iption of the document. It implements a simple graphical display