Developed during #CityChallenge crowdhackathon by Crowdpolicy. The system measures various environmental parameters and sends them via GPRS to an endpoint, from where data is collected, stored, analyzed and presented in a simple webapp in -mostly- graphical form.
- Database: PostgreSQL
- Backend/API: Node.js, Express
- Frontend: HTML/CSS/JS
- Maps: OpenLayers, OpenStreetMap
- Arduino Pro 5V/16MHz
- Optical Dust Sensor - GP2Y1010AU0F
- Carbon Monoxide Sensor - MQ-7
- SI1145 UV/Vis/IR
- SIM800 GPRS modem
- LM2596 Step down switcing DC/DC PSU
License: MIT