“How to use a Raspberry PI to chart ambient temperature vs outside temperature” by whiskeytangohotel.com:
Reading the graph above is pretty obvious. It plots the temperature of the DS18B20 sensor connected to the Raspberry PI vs. the outside temperature that is provided by a local weather forecast feed. Just for fun, we also display Min and Max temperatures (which can be reset).
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The graphing is provided by sen.se. The sen.se site offers a lot of flexibility with “the internet of things”. sen.se is free. Sign up and scan the tutorials. The site is well laid out and the tutorials are very straight forward; you’ll be an expect in no time.
Full how-to with source code and more here!
Each Friday is PiDay here at Adafruit, be sure to check out our posts, tutorials and new Raspberry Pi related products. Have you tried the new “Adafruit Raspberry Pi Educational Linux Distro”? It’s our tweaked distribution for teaching electronics using the Raspberry Pi. But wait, there’s more! Try our new Raspberry Pi WebIDE! The easiest way to learn programming on a Raspberry Pi.
We now have Raspberry Pi Model B with 512MB RAM in stock and shipping now!