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Top 40 Arduino Projects of the Web | Hack N Mod
Since we love the ever-popular Arduino, we’ve scoured the vast reaches of the interweb and unearthed the best Arduino projects just for you.
This Instructable explains how to use a gas sensor with your Arduino. This lets your Arduino smell (and hence you program responses to) overall gas levels for a variety of nasties, including ethanol, methane, formaldehyde, and a bunch of other volatile organic compounds. I learned about this after hearing about some guys who added VOC sensors to toy dogs.
How To Smell Pollutants
If you have already connected an Arduino to your computer and run the basic "blink" example you can skip this step. However, if all you've done is unbox it, here's how to start: 1) Download the software you'll need from the makers: Software Download .