Air Quality Monitoring and Alert System using Arduino with MQ135

#Arduino #MQ135 #AirQuality #LCD #SerialMonitor
This Arduino Tutorial explain about how to make air quality monitoring and alert system using MQ135 sensor in ppm. MQ135 sensor is useful to measure air quality, co2, alcohol, NH3, etc with proper calibration. AQI is helpful to analyse climate change.
Components: Arduino Board, MQ135 sensor, 16x2 LCD, Potentiometer, Resistor, LED, Buzzer, breadboard.
Code and Interfacing Diagram:
github.com/hir...
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