Project BREATH

Project BREATH is an ESP32-based Internet of Things (IoT) air quality monitoring system designed to estimate carbon dioxide (CO₂) concentration in indoor environments. The system utilizes an MQ-135 gas sensor to detect changes in air quality and convert t
  esp32 iot air quality monitoring co2 detection mq-135 environmental monitoring indoor air quality wireless sensor network thingspeak smart environment real-time monitoring embedded systems microcontroller gas sensor cloud computing