12864实验程序_串口通讯字符查询模块，可以用串口与89C52进行串口通讯，通过串口调试工具与PC机输入字符，可以在12864液晶屏将其ASCLL码显示出来。-12864 serial communication of experimental procedures _ characters in the query module, you can use the serial port with 89C52 serial communication through serial debugg