gsm

GPS(Global Positioning System)

GPS (Global Positioning System)

GPS i.e. Global Positioning System is a satellite base navigation system that synchronizes real time and provide location and time data in any type of climatic conditions. GPS can provide location anywhere on or near earth where there is an obstructed line of sight of four to more  GPS Satellites.  The system provides critical capabilities to military, civil and commercial users around the world

GSM (or GPRS) Module

GSM/GPRS MODULE

GSM/GPRS Module is used to communicate between a computer & a GSM- GPRS SYSTEM. GSM stands for Global System for Mobile Communication. It is an architecture used for mobile communication in world. GPRS stands for Global Packet Radio Service that enables higher data transmission rate. GSM/GPRS Module consists of a GSM/GPRS modem assembled together with power supply circuit & communication interfaces (like RS-232, USB, etc) for computer. The MODEM is the main part of it

Sending MSG through GSM module

this project present a way to transmit textual data by use of GSM module and a brief introduction about AT commands. As a GSM module works on AT commands for communication our controller is programmed to send all these commands according to our reliability. you can also check these commands through hyper-terminal on your pc before designing your code and we also recommend you to check these AT commands on your pc.

GSM and keypad based home security system

Your home needs maximum security against thievery and burglary and other kinds of crimes that might cause threat to your loved ones and properties inside it. this project is an example of simple electronic door lock system based on 8051(AT89s51) controller interfaced with keypad and GSM module. DC motors connected with controller are treated as door.

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