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A measure of PM2.5 with the Weatherduino
#3

Hi Zitoune,

Just to start settling things in my mind, I have some questions:

- Are you driving the fan directly from an Arduino pin?

"PM2.5, particulate matter with a diameter of 2.5 microns or less, has emerged as a pressing environmental concern, notably in China. Sharp Corp. has developed a PM2.5 sensor device, DN7C3CA006, which it claims is not only the smallest such device of its type but also the fastest, with a detection speed of 10 seconds"

- What is that "detection speed of 10 seconds" really means?

It's all, for now... Smile

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