使用MEGA16芯片，通过串口控制GSM模块，进行GSM模块配置，可以实现收发英文短信。当接受到相应短信可以自动反馈信息。编译环境为CVAVR-Use MEGA16 chip, through the serial port control of GSM module, GSM module to configure, you can achieve the send and receive SMS in English. When messages can automatically receive the appropriate feedback. Compile the environment CVAVR
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