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Raspberry Pi temperature logger

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On my web site at raspberrywebserver.com, I've written tutorials about web programming and programming with databases in Python.  I want to build on the ideas in these tutorials to do something a little more complicated.  To that end, I built a Raspberry Pi temperature logging system.  


It consists of two scripts.  One is triggered by cron which reads the temperature from a DS18B20 sensor, and logs it in an SQLite database.  The other script is a web UI that displays records from the database using Google charts.  You can see a screen shot here:



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Cool (pun intended) project 


I have a friend whose office is constantly fluctuating in temperature that, when the HVAC service tech is there, is fine .... a historical web enabled log of temp is exactly what is needed 

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