Get LoD2 CityGMLs from BW Opendata.

https://opengeodata.lgl-bw.de/#

CircularGreenSimCity für alle Projektpartner

CO₂ Ampel is an open-source project, written in C++ for ESP8266 or ESP32. It measures the current CO₂ concentration (in ppm), and displays it on an LED ring. The room should be ventilated as soon as one LED turns red.

Graphical interface to extract a specific region from CityGML.