How to use a Raspberry Pi to chart ambient temperature vs outside temperature via whiskeytangohotel.com:
What you need:
Raspberry PI with an internet connection
DS18B20 temperature sensor (RasPI tutorial at Adafruit)
Account at sen.se to log your values
Full tutorial with source code and schematics here!
Featured Adafruit Products
DS18B20 Digital temperature sensor + extras – These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontroller using a single digital pin, and you can even connect multiple ones to the same pin. (read more)
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!