[stuff on where to get sensors deleted] Depending on how many you need, wireless sensors for weather stations could make more sense (you can run them on different channels to prevent interference). Plus you can use the weather software to generate graphs, upload data, etc. kyle -- ---------------------------------------------------------- Kyle Banerjee Digital Services Program Manager Orbis Cascade Alliance banerjek_at_uoregon.edu / 503.999.9787Received on Tue May 01 2012 - 22:12:15 EDT