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SMS receiving and sending system based on single c
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Application background At present, the application of mobile phone short message is more and more widely. It has not only as a tool to exchange information, and gradually began to use in engineering, such as remote control of home appliances, remote collection, etc.. In this paper, we will introduce a detailed introduction of the hardware circuit and software programming of the PC SMS sending software and data acquisition system based on SMS, and AT command of short message. Key Technology With the aid of the system model, the basic concept of GSM module and the basic principle of serial port control SMS. This paper introduces the software realization process of GSM module in detail, and discusses how to control the GSM module to send and receive text messages, and also analyzes the main idea of the program design.In order to let you know their principle, this paper introduces the basic concepts of PDU, SMS data format, AT command, mobile phone s
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