when my gsm shield is off my pir sensor work fine but when i turn gsm shield on PIR sensor doesnt work can anyone help me? this is my code //#include "SIM900.h" #include <SoftwareSerial.h> #include "sms.h" #include "gsm.h" //#include "string.h" #define DEBUG_CODE_ON #define DEBUG_ACTION_ON SMSGSM…

PIR sensor and gsm shield problem???

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