Miniature GSM Alarm System
This project used the popular PIC16F84A microcontroller which is a program written in assembly language. GSM phone with which the device was tested by Siemens M35i (19200bps 8-N-1). The device has to work with other (older, cheap) Motorola phones such as S25, C35 (i), A65 and so on (X35, X45) …
Source: Trax


