本程序有51系列单片机控制显示1602液晶显示，时序是自己写的，另外显示字符时带有坐标输入函数，方便使用者确定显示字符的位置后输入坐标然后显示相关字符。-The program has 51 Microcontroller LCD Display 1602, timing is write, and the other display character input function with the coordinates, to facilitate users to determine the location of display characters and enter coordinates and then display the relevant characters.