LCD行业经常用到的COG封装128*64点阵的显示屏演示程序。可任意在哪页写可见的字符，类似字符显示屏，只需调用字符即可。-LCD industry frequently used COG package 128* 64 dot matrix display of the demo program. Which pages can be written in visible characters, similar to the screen characters, simply call th