This project use the Arduino Ethernet Wiznet 5100 to administer an SMS notification, only necessary to configure a suitable sensor input.
This post show the UDP connection with the WizFi210 and Android phone. You can show the same displays with your smartphone on 7 inch touch-screen. Using your smart phone, you can controll and monitors your home device such as light, temperature, and humidity.
The author implemented Home automation based on web server using Arduino and Relay. He would like to be able to turn on and off home appliances such as TV, Fan, Light, and Computer.
Turns the lamp on, cycle down the disco modes to reach white, turn off, wait for the sensor to detect movement, turn on the lamp, and keep checking to see if there is any further movement before turning off again after a few seconds.