用单片机来控制整个LED点阵电路，利用移位寄存器实现列选通，译码器实现行选通来控制led灯的暗亮，实现128*32位电子显示屏每次静态显示16个汉字-making use of to move deposit the machine realizes the row chooses the, translating the code machine realizes the line chooses the control the light of led dark and bright, realize 128*32 electronicses manifestation hold the every shows 16 Chinese characterses.