Added connection to the server using TCP/IP. #45
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bag function "gprsSend();" Here I think it is necessary to use the char data type, since it is faster ~ twice as much as the String data type.
3.1.1 How to Establish a TCP Client Connection https://www.waveshare.net/w/upload/2/25/SIM800_Series_TCPIP_Application_Note_V1.03.pdf