I added a LM35 temperature sensor to the unit measuring the water level in my main tanks. After a mild calibration issue (shown above) it seems to be reading very close to the actual temperature 🙂
![daily graph](http://blog.danielparnell.com/wp-content/uploads/2011/02/20110209094657_temperature-day.jpg)
I find it amazing how much I am enjoying having this data. Very silly 🙂
It is fun to use computers to do things in the real world.