在51单片机上实现1602液晶屏的走字屏功能.具体功能是在1602液晶上循环滚动一串字符，程序里是在1602液晶上循环滚动一串"Good morning...!"字符，可以自己改动这串字符1602的底层驱动也都在里面。-

1602 LCD screen to achieve the 51 single-screen function word go. Specific function in 1602 on a rolling cycle string of characters, the program is on a rolling cycle in 1602 a bunch of "Good morning ...!" Characters, you can own this string of characters changes the underlying drivers of 1602 are also in the inside.