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The library was recently updated because people were having problems with it. In my case, I noticed that the sensor was shutting itself off every few cycles, so I included a part in the code to force the sensor to be on for every cycle
I think that the arduino is good enough for this application. It also sounds like you're interested in recording measurements from these sensors over time. It might be worth getting a bluetooth or wifi module to connect the arduino and be able to take in the data. Again, raspberry pi has less support for projects like this and tend to be more energy intensive, so the arduino will be enough.It may be worth looking up reviews for various sensors. I was able to get this particular sensor due to a small grant, but I noticed that it is not always dependable.Hope the 3D printing goes well! That step is always my favorite part of a project!
Grove actually has several gas sensors you can choose from. The multichannel gas sensor is on the pricier side, but depending on your needs, you can select a gas sensor that might be cheaper and still give you the info that you need
Air Pollution and Environme...View Instructable »