This project has various modules for home automation and home security system. First module detects if any person is entering the house either from windows or doors. So, whenever you are not at home, you just on the GSM MODEM and if anyone tries to enter the home you get an alert through message (SMS).

Second module is LPG gas sensor. If there is gas leakage then buzzer will on and again if you are not at home you get an alert through message (SMS).

Third module is temperature and humidity sensor which continuously senses the temperature and humidity and adjust speed of all the fans according to it.

Fourth module is Ambient light sensor which continuously determines the LUX value of light and switch on or off the lights according to it.

Fifth module is main door lock system. The main’s door can’t be open without entering the password.