Code to check if SIM800L successfully sends a text message

Question

I wanted to know if there is any code to check if a sim800L successfully sends a text message. I will need this code so that every time my sim800L sends a text message successfully it would light up a LED light. I am also using a nodemcu-32S as my microcontroller and Arduino IDE.

here is my code for sending a text message

Serial.println(customKey);
Serial.println("SENDING CONFIRMATION TEXT");
sim800.print("AT+CMGF=1\r");
delay(1000);
sim800.print("AT+CMGS=\""+PHONE+"\"\r");
delay(1000);
sim800.print("Completed");
sim800.print(",");
sim800.print(orderID);
delay(100);
sim800.write(0x1A); 
delay(1000);
Serial.println("SMS Sent Successfully.");

score 0 · Answer 1 · answered Mar 22 '22 at 15:27

0

See AT command manual (found it online, I don't have the device myself) at chapter 4.2.5 AT+CMGS - it looks like it should response, incl. whenever it succeeded.

answered Mar 22 '22 at 15:27

AgainPsychoX

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Is there a way to store the responses of the sim800L in a variable? – How Mar 23 '22 at 05:35

Code to check if SIM800L successfully sends a text message

1 Answers1