MQ135 and MQ131 Sensor-Based Air Pollution and Ozone Monitoring using Arduino_"kakul" circuit diagram

MQ135 and MQ131 Sensor-Based Air Pollution and Ozone Monitoring using Arduino_"kakul"

By Kakul
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Components used: arduino, arduinouno, mq-135, mq-131, lcd-16x2-i2c

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