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This video describes how to send LM35 sensor data to a distant server using SIM900A GSM over TCP/IP protocol.
Starting a Server on a Port ,Testing the Server, Creating Windows Firewall rule, Port Forwarding method -- all are explained step by step.
The Network Tools &Arduino code can be downloaded here :
www.alselectro.com/files/Netwo...
www.alselectro.com/files/GSM_T...