This code is written for 8051 microcontroller in assembly language. It sends SMS continuously using GSM modem,if GSM modem is connected to its serial port.

This code is an Embedded-C code for an 8051 microcontroller system that is used to control a home security system. The code includes communication routines with a GSM modem as well through the RS232 serial link.

this source code is communication beetwin 8051 microrcntroller and gsm modem and send a sms to mobile