无字库液晶屏串行SPI总线驱动，直接调用该函数就可在液晶屏的任意位置显示任何字符和图形。-No character LCD screen serial SPI bus driver can directly call the function anywhere in the LCD display of any characters and graphics.

51单片机驱动12864，实现字符输出和任意位置打点-51 Microprocessor 12864, character output and achieve anywhere