Wireless sensor networks (WSNs) utilize LoRaWAN technology to provide cost-effective and long-range communication for environmental monitoring applications. These systems can observe diverse parameters such as temperature, humidity, air quality, and soil moisture, enabling real-time insights collection. LoRaWAN's inherent low-power consumption make

Improving indoor environmental well-being is paramount, and monitoring parameters like carbon dioxide (CO2) concentration plays a crucial role. This article explores the implementation of a cost-effective LoRaWAN-based system for real-time CO2 sensing within buildings. The reliability of LoRaWAN technology allows for long-range, low-power data tran