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  • Interfacing SIM900A GSM Modem with Arduino

    Sir can u help me, what if i want to add an if in the receive message, lets say void RecieveMessage(){mySerial.println("AT+CNMI=2,2,0,0,0"); // AT Command to recieve a live SMSif(mymssage== "Open the door");digitalWrite(13,HIGH)delay(1000);}problem is i dunno what kind of code/syntax should i use. TIA!

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