air quality measurements in industrial setting

My own portable particle Analyzer with ESP32

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).

NodeMCU Weather Sensor Data (Inside)

WIP weather station. currently only DHT11 and MQ135.

测试人体口中呼出的硫化物浓度

Proyecto de IoT realizado para la UN: Medida de calidad del aire y ambiente con Arduino Mega y sensores DHT11 y MQ135.

College project on IoT.

Humidity and temperature monitoring using IOT

NodeMCU with MQ135, MPU6050 and SOS button.

Sensor data of air quality

MQ135 gas sensor

MQ135 DHT-22

Collect temperature humidity and air quality data

Monitoring the environmental parameters like Temperature , Humidity, CO2, CO, Smoke, LPG present in air and Temperature and Turbidity of water.