Solar CITIES STEM science activity: How to measure temperature and gas from a Solar CITIES "Biojugestor" 5 gallon jug digester.

So you've built your Solar CITIES STEM science biojugestor from a 5 gallon water jug.  Fantastic.  But what next? How do you do REAL science with the thing? How do you become part of CITIZEN SCIENCE projects doing meaningful research into the efficacy of the FW2FFF (Food Waste to Fuel and Fertilizer) (r)evolution?

In this tutorial we want to show you how you can automatically measure the temperature of your digester (one of the most critical parameters affecting its performance) and the amount of gas it makes using environmental sensors with Arduino microcontrollers, possibly the least expensive and simplest ways to start doing real research and gathering real data.  Arduinos are used not just by students by by professional scientists out there in the so-called "real world!".

So let's get to it!

For this activity you will need:

1) Your completed Solar CITIES Biojugestor.

2) 

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