lcd1602编程,工业字符型液晶，能够同时显示16x02即32个字符。（16列2行）

注：为了表示的方便 ，后文皆以1表示高电平，0表示第电平。

-the best program of LCD1602,you can just copy and use it, it is very short and easy, just have a try, do not wait for any moment