A few weeks ago, I set out to create an Arduino project. It is now working, and I will post the results and all the source code soon (after a bit of code clean-up.)
Here is the original post:
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1289956234/all
A humidity and temperature sensor network:
Every node consists of an Arduino board and an ethernet shield and a Sensirion SHT15 Humidity and Temperature Sensor on a breakout board. I will use the enclosure that accomodates an Arduino, an ethernet shield and place the sensor in the battery box. That makes for nice, compact nodes.
and
I will use a web browser to plot the temperature and humidity data and use the flot library for live plotting
http://code.google.com/p/flot/
The server will be a fanless Shuttle XS35GT with an HDMI port that can be connected to a TV.
If possible, I will integrate this into XBMC (a media center software) so that it can be controlled with the remote control.
The operating system is Ubuntu 10.10.