Get an Internet-Of-Things thing on the Internet

Monitoring the temperature of the water in my home's hydronic heating plant.

Quantity		Component name
1	×	Arduino MEGA 2560 From RadioShack
6	×	TMP36 temperature sensors From sparkfun
1	×	Ethernet shield From RadioShack
1	×	Old Linksys WiFi/Router Reflashed to run DD-WRT