以单片机为核心，使用DP-51PROC单片机实验仪上C3区16*16点阵LED显示屏，显示“谁言寸草心，报得三春晖！”，先向左滚动、后向右滚动，再向上和向下滚动，如此循环。-Single-chip microcomputer, microcontroller experimental instrument on the DP-51PROC C3 region 16* 16 dot matrix LED display, showing who made the inch of grass, reported in the apartments! " , The first left scroll, right after rolling, and then scroll up and down, and so on.