Here are some of hardware components, with software links, used in this project:

• Raspberry Pi: http://www.adafruit.com/products/998
• Humidity and Temperature Sensor
  
  
  • product: http://www.seeedstudio.com/depot/Grove-TempHumi-Sensor-p-745.html?cPath=25_27
  • source code: http://learn.adafruit.com/dht/connecting-to-a-dhtxx-sensor