Hello Arduino community, I am new user and i use a gsm shield with arduino mega 2560 and my sim card from my phone. The code i use is this: #include <GSM.h> #define PINNUMBER "8960" // initialize the library instance GSM gsmAccess(true); // include a 'true' parameter for debug enabled GSM_SMS…

GSM Shield Problem AT%13%Not connected

system April 10, 2014, 2:09pm 6

I follow the instructions from here (http://arduino.cc/en/Guide/GSMShieldLeonardoMega) but still have the same issue.

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