NetSensor was introduced.
What is NetSensor?
NetSensor is an Arduino Kit which allows you to monitor your room from anywhere in the world via Internet.
All you would need is a browser and this kit has all the hardware required to monitor your room and check if its warm, not too humid and if someone has broken into your home.
This application has features for Room/plant monitoring and Home Security Monitoring.
Arduino Uno and Ethernet Shield are used for this system.
This is a good example for Home Automation System with Arduino and Ethernet Shield.
Refer to this link.
This is the tutorial page link for the Kit.