"In my country, air pollution is on the rise. This project was born out of my concern for my health."


  1.display PM2.5,Pm1,Pm10 and AQI index

  2.Display colors indicating air quality levels on the TFT screen.

  3.Indicate air quality levels with LED bar using WS2812 with 8 bulbs.

  4.Calculate the AQI value based on PM2.5 and display it in a table.

  5.Show a color-coded bar chart representing air quality intensity and its health impact.

sample code:


Pcb order:


Update: Case 3dprint

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E-mail: mhooyang@gmail.com

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