Auto Dialing Multi Security System With Voice Play Back

Abstract

This project is developed for the users to have security through sound indication if someone enters room or opens the door key, the security unit produces siren. This project is specially designed to make a sound to the owner and intimates the owner that there is something strange. The main part of the Unit is Microcontroller and IR Tran receiver and door key unit. When the owner closes the door or shutter, the security system will be activated. After that if some one tries to open the door, the key sensor senses and sends signal to the Microcontroller unit. The micro controller immediately handles the relay operation completely for on the siren. This unit also senses the someone enterers the room using IR unit. This project is very useful in Houses, Industries, Institutions, Shops etc. where hitech security is needed.

Existing System

Proposed System

Architecture

BLOCK DIAGRAM