Those of you who have been to the /tmp/lab may have experienced the delicate smells of the nearby chemical factory. We want to learn more about this pollution, so we will implement an automated measurement system. To monitor the air concentration of pollutants, we use cheap sensors made by a company called Figaro. The models used are TGS2600 and TGS2602; the same are used by the FridaV project. The TGS2600