# VentQsys: Low-cost open IoT system for $$CO_2$$ monitoring in classrooms

> Research article (Wireless Networks, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3207639812](https://www.wikidata.org/wiki/openalex:W3207639812)  
**Source**: https://4ort.xyz/entity/ventqsys-low-cost-open-iot-system-for-co-2-monitoring-in-classrooms