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Sensors convert a physical quantity (e.g. temperature, pressure) into an electrical signal.

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I just need some help understanding how a circuit that I already built works. I am using the the Figaro TGS 2201 air quality sensor. The datasheet for it can be found here: tgs 2201 datasheet from … manufacturer Currently, my sensor setup is as follows: I am not using R2 but only using R1, which makes the air sensor targeted at gasoline exhaust rather than diesel. My R1 is equal to 10k ohms …
asked Nov 30 '12 by stackOverFlew