这个程序是单片机控制GSM的初步实现，通过远程控制GSM来实现实时监视。-This procedure is GSM single-chip microcomputer to control the initial realization, through the remote control to achieve real-time monitoring of GSM.

51单片机控制GSM模块发送短消息的代码，绝对好用-51 GSM single-chip control module to send a short message code, absolutely easy to use