Carbon Dioxide (CO2) Collect Data

Carbon Dioxide (CO2) Collect Data

Carbon Dioxide (CO2) Collect Data

Carbon Dioxide (CO2) Collect Data

Carbon Dioxide (CO2) Collect Data

Carbon Dioxide (CO2) Collect Data

Sun rise and set time in Hong Kong update at 12pm everyday

RH monitor ESP8266

Soil sensor direct raw data

NodeMcu based weather station，by using BMP180 , DHT11 ,ESP8266 to implement the sensing and data uploading. This weather station was located in Hong Kong.

This is a pilot project using Arduino-based micro-sensors to measure nitrogen dioxide (NO2) concentration in real-time

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