用单片机控制，对GSM模块进行控制，输入AT指令，采用C语言编程，简单可靠。-With the MCU control, control of the GSM module, enter the AT commands, C language programming, simple and reliable.

通过对串口的初始化，发AT指令激活GPRS模块，实现对gprs的初始化。实现了简单的收发短信功能。-Through the serial port initialization, hair AT command to activate GPRS module enables the gprs initialization. To achieve a simple send and receive text messages.

通过串口at指令接收短信及时读取短信内容,超过30条自动清空-At command through the serial port to receive SMS text messages in a timely manner to read the contents of more than 30 auto-clear

51单片机串口通过AT指令控制GPRS发送接收短信，并显示在LCD上，包括显示和串口，AT指令的底层驱动-51 MCU GPRS AT commands via the serial port transmit and receive text messages, and displayed on the LCD, including display and serial, AT commands underlying driver