液晶12864图像取模需要三种软件，一种是改变图像分辨率的软件（如PS）、一种是取模软件（如PCtoLCD2002.exe）、一种是把图像格式转换成bmp格式的软件（如Image2Lcd）
第一步：
确定要取模的图像如：
把这幅图片的分辨率改成128x64。
第二步：
打开软件
打开你事先准备好的那个分辨率128x64的图片，然后按上面的设置配置一下，最后保存。
第三步：
使用软件PCtoLCD2002，
1，打开经过软件Image2Lcd处理后的.bmp文件；2，点击生成字模：
unsigned char code tian[ ] = {
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};
最后在液晶12864上效果图：
到这里已经讲完了。（由于我是用电脑自带的画图改的分辨率，出来的效果不是太理想，那两个软件在网上下载就行了，很好找）