how to turn on a stepper motor using gsm modem

atoivan

New Member
Hi to all...
I am doing a project in which i will be interfacing a gsm modem , a keypad , and a stepper motor with PIC microcontroller(16f877a)
i should be able to send a predefined sms to the gsm modem so that the stepper motor will turn.

i am using MikroC IDE
my cell phone as the modem
and Proteus 8 Professional

i do not have any problem with the keypad i have the code and it working fine.

my problem is which AT command am i to use and how do i save the predefined string in the modem
so the stepper motor can turn NO

NB:
i keep having this error any time i compile my project
 

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