hi...i m using 89s52 microcontroller to control the gsm modem.i m using simcom 300 gsm modem with RS232 port. My problem is that i don't knw how to control the gsm modem using microcontroller....although i read many of the threads but i didn't get satisfactory answers....so if anyone can help me then i will be very grateful to him...thnx
Really??!
What part(s), exactly, did you find confusing?
It seems pretty clear to me: www.danlhenry.com/.../keil_code.png
And the link to "Tips for Posting Messages" also seems pretty clear: http://www.keil.com/forum/tips.asp
Please explain the problem(s) - then Keil may be able to adjust the instructions to be more helpful...