Principles of designing adaptable smart computerized system

The aim of this thesis is to design and implement a smart system that used for controlling a number of electronic devices and sensors remotely and to receive alerts when fire, movement and abnormal temperature and humidity are detected by sensors. The controlling operation on devices will be by using a mobile phone through sending SMS to the smart system. Also the alerts will be received as SMS form from the system. Originally, the smart system contains two main parts which are Arduino microcontroller and GSM modem. The Arduino is responsible for controlling electronic devices and sensors which are interfaced with it. The main function of second main part that called GSM is to deliver SMS which exchanged between the mobile phone and microcontroller. The Arduino microcontroller reads the data of sensors, when it detects abnormal values it will inform the GSM which in its turn will send SMS to the mobile phone to inform the user of system about the situation. The smart system can be controlled from any mobile phone model and can be putted in any place. All in all, a security and easier life can be provided by this smart system.