1.install MCCI_LoRaWAN_LMIC_library 2.change fie : C:\Users\Aslani\Documents\Arduino\libraries\MCCI_LoRaWAN_LMIC_library\project_config\lmic_project_config.h to :
#define LMIC_LORAWAN_SPEC_VERSION LMIC_LORAWAN_SPEC_VERSION_1_0_3
// project-specific definitions #define CFG_eu868 1 //#define CFG_us915 1 //#define CFG_au915 1 //#define CFG_as923 1 // #define LMIC_COUNTRY_CODE LMIC_COUNTRY_CODE_JP /* for as923-JP; also define CFG_as923 */ //#define CFG_kr920 1 //#define CFG_in866 1 #define CFG_sx1276_radio 1 //#define LMIC_USE_INTERRUPTS