Microcontroller › 8051 › Interfacing GSM module with Microcontroller › when you are generating the
July 7, 2013 at 6:56 pm #10110
when you are generating the code jst try to send character “A” first and then the rest of the commands.
it will sinc the baudrate.
and chek the crystal used.
If you are using 8051 microcontroller the value written in crystal should be exactly 11.(somthing)
but it should not be 12 MHz.