Reads a PMS5003 air quality sensor with an ESP32. Written in C code using ESP IDF and VSCode. Using Matlab analysis and React to send an email alert. Reads an AHT20 and displays humidity and temperature.

The air quality sensor monitor the concentration of PM2.5 in indoor locations. It is developed and made in Hong Kong. Contributor: Leo Siu, Leo Chan, Eddie Yung Citizen Science Project coordinator: Maria Li