Using the ESP8266 Wi-Fi module, [shadowandy] built a dust sensor to measure dust levels in his house. The project incorporates the Shinyei PPD42NS dust sensor to do the measurements and posts the data to his ThingSpeak channel from data collection and reaction to dust levels.
The sensor records the PM10 and PM2.5 dust levels to get an accurate indication of the dust in the air. This project is a great example of how a little sensor could turn into something important for protecting machine shops, construction sites, and garages.
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