Hi! We used the Arduino Uno microcontroller and GSM SIM900 to send an SMS. Tx pin of the SIM900 is connected to Rx of Uno, Rx of SIM900 is connected to Tx of Uno and te Gnd SIM900 to the Gnd of Uno. Mentioned below is the code we have used, and it works. We wish to implement the same using the Sof…

Sending SMS using GSM SIM900

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