led点阵显示屏汉字滚动显示C程序，可以上下，下上，左右，右左滚动显示,只要用提取字模软件把要显示的字弄上去就行了。-led dot matrix display Chinese characters scroll C program can be up and down, next on the right and left, right and left scroll, with the extraction matrix software to get up the word you wa