C51汇编必做试验7 -- 通过串行口与PC机通信（上位机控制的必备）-C51 compilation of tests must be done 7- through the serial port with the PC, communications (Host Computer Control Essential)

本程序是一个用C51开发的单片机程序，它的功能是把数据通过单片机串行口发给手机模块，使手机模块以短信方式实现远程通信。-This program is a microcontroller with C51 development program, its function is the data distributed to the mobile phone module in the microcontroller serial port, remote communication SMS m