Arduino based Air Pollution Monitoring System measures carbon dioxide using an MQ135 gas sensor and carbon monoxide using an MQ7 sensor in PPM( Parts Per Million).
Proyecto de IoT realizado para la UN: Medida de calidad del aire y ambiente con Arduino Mega y sensores DHT11 y MQ135.
Monitoring the environmental parameters like Temperature , Humidity, CO2, CO, Smoke, LPG present in air and Temperature and Turbidity of water.