由直流电机的高速旋转，带动了若干个LED，由单片机芯片控制LED的亮灭，利用人眼的视觉暂留原理，从此就可以在空中形成各种图案。该作品效果炫目，内附成品图-Driven by dc motor of high speed rotation, the number of leds, destroy by single chip microcomputer chip control, LED light, the use of the persistence of vision principle o