CanAirIO - How to make a device for air quality monitoring

CanAirIO: citizen network for air quality monitoring

Citizen science project with mobile and fixed sensors for measuring air quality (PM 2.5) using low cost sensors and smartphones.

This is an Open Source project that uses a ESP32 microcontroller and Honeywell HPMA115S0 sensor with Android App

Full documentation:
http://canair.io/docs/

Google Play app:
http://bit.ly/2NrPuOP

Firmware
https://github.com/kike-canaries/esp32-hpma115s0

Android source code:
https://github.com/kike-canaries/android-hpma115s0

Twitter
https://twitter.com/canairq

Webpage:
http://canair.io/

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