One can learn a lot about a sensor or sensor technology by just strapping it onto a spare development board together with an LCD for displaying the sensor output. [Richard’s] DIY air quality ...

If you have allergies than you've likely considered picking up an air quality sensor for you house at some point. ... $12 sensor with an Arduino and a Radiation shield and monitors the data on his ...

If you believe that a PM2.5/10 sensor can also detect O1, NO2, SO2 then go right ahead and market it as an “Air Quality” sensor. I look forward to the law suits.

The sensing umbrella has been designed to measure the air quality in your locality and is capable of measuring both CO and NO2 pollution levels. Watch the videos after the jump to learn more.