actually i am trying to sent a message with the help of arduino leonardo and Sim 900 gsm modem(sms application note: http://www.nskelectronics.com/files/sim900_sms_app_note.pdf )but i couldn't.i am using this code void setup() { Serial.begin(9800); Serial1.begin(115200); delay(10000); Serial.pri…

INTERFACING GSM SIM 900 WITH LEONARDO.

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