Mar 30, 2022 · In this tutorial, I will provide the essential details about the air quality index, the pinout of the MQ-135 sensor, and how to measure air pollution using the MQ-135 sensor. After this tutorial, you will be able to develop the air pollution monitoring and alert system using the Arduino Uno board with an MQ-135 sensor.

This project utilizes an Arduino UNO, an MQ135 air quality sensor, and a 16x2 I2C LCD to monitor and display air quality levels. The system also includes a buzzer module to provide audible alerts when air quality thresholds are exceeded.

Dec 30, 2023 · In this step-by-step tutorial, you will learn how to build a simple air quality monitoring system using Arduino. Learn the basics of AQI and how air quality sensor works. We have also given the circuit diagram and Arduino code to help you build on your own.

DIY Arduino air quality monitor which can measure surrounding air quality also shows temperature and humidity in your room.

Dec 12, 2023 · It is a compact and Real-time DIY air quality monitor operated with Arduino Uno. The heart of the project is Arduino uno combination with 2.8” nextion touch display.

Arduino-Based Air Quality Monitoring System: This project monitors air quality using an MQ-135 gas sensor and an LM35 temperature sensor, controls an air purifier, and sends data to ThingSpeak using an ESP8266 Wi-Fi module. An I2C LCD display shows real-time values.

Mar 21, 2022 · MQ135 Semiconductor Sensor is an air quality gas sensor having high sensitivity to ammonia gas, sulfide, benzene series steam, smoke and other toxic gases as well. The SnO2 semiconductor material is used in the MQ135 for detecting the …

Dec 19, 2020 · Arduino is the main microcontroller board of this system. The gas sensor continuously measures air quality and sends data to the Arduino board. Then Arduino prints air quality value on the OLED display in the PPM unit. The LEDs and Buzzer used as indicators, that indicates the air quality is in good, Poor, or dangerous zone.

Sep 21, 2016 · In this article I have explained how to interface air quality sensor MQ-135 with Arduino. We will see overview of the sensor and construct a project which detects LPG gas leakage and see some relevant readings in serial monitor.

Dec 20, 2024 · In this vibrant and informative tutorial, we will guide you through the process of reading air quality data using the SDS011 Sensor alongside an Arduino Uno, all displayed beautifully on a 4-line LCD screen.