该源码可以使一个16*16的LED显示屏显示动态图片，可以使文字上下左右移动。也可以使用光笔点亮、擦除、拖动LED上的点。也可以使用光笔写的字上下左右移动。-The source code can make a 16* 16 LED display shows the dynamic picture can make the text up and down and move around. You can also use the light pen lights, erase, drag the point on the LED. Can also use the light pen to write the word down and move around.