Arduino: How To Smell Pollutants

English: Arduino Serial board
English: Arduino Serial board (Photo credit: Wikipedia)

by liseman,

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 o…

How To Smell Pollutants

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