Pollution sensors experiments

We have started experimenting with the air pollution sensors.

First setup:
First experimental setup

The Figaro gas sensors mounted on a piece of Veroboard:
veroboard2-300x151

View of the big scary Arduino used to plot the first graphs. 1min/div. Looks like it’s working as both smell (from the chemical factory) and measured voltage go up during the third minute:
IMG_0312-225x300

More to come soon!

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