利用51单片机和LCD12864点阵液晶显示器设计汉字滚屏(上滚)系统，滚动周期小于5秒。-51 And LCD12864 use dot matrix LCD display design characters scrolling (scroll) system, the rolling period is less than 5 seconds.

Car reversing radar source, very practical, can be used to make 51 single-chip, through lcd12864 show reversing distance, and the current temperature and time