MQ-135 Air Quality Sensor Board CO2 Calibration

This is IOT Based Air Pollution Monitoring System that measures indoor harmful gases present in the air like Carbon Dioxide(CO2) using an MQ135 gas sensor and Carbon Monoxide(CO) using an MQ7 sensor. It will show the air quality in PPM(Parts Per Million) on the LCD and as well as on Thingspeak so that we can monitor it very easily in PPM.

A IOT based Air Quality Monitoring Project By Umraz Hussain Using Arduino Uno

MQ135 & ADS1115 Working on Raspberry Pi. Measurement in PPM.

Air Quality Monitoring using MQ135, DHT-11 and ESP32 with OLED Display

An IoT-powered system for real-time air quality monitoring and analysis. This project integrates environmental sensors with a machine learning model to predict and assess air quality indices. Features include data visualization, predictive analytics, and automated alerts for actionable insights.

DIY CO2 meter and grapher for home and office use

Air quality monitor system with Mega2560 R3 board and MQ135 sensor.

This project was made in 2021 during post-COVID period for an startup named Greener Grow, to test air quality improvement in presence of indoor plants which improve air quality.

A project that includes Arduino code for getting the air quality sensors readings and sends it to Raspberry-based server.

IoT Driven Solution for Air Quality Monitoring

Software que monitoriza el dióxido de carbono o CO2 del aire y envía los datos a ThingSpeak. Es posible utiliza un relé o una pantalla OLED. Software that monitorizes the air quality and sends the data to ThingSpeak Server. Is possible to add a relay and OLED screen.

[Released] C driver for MQ-135 Air Quality Sensor Hazardous Gas Detection Module

The purpose of this project is to build a prototype of an IoT-based baby incubator monitoring system based on things equipped with various sensors that will send data to the server in real time.

📚🌀 ESP32 library for the MQ135 air quality sensor. Allows for temperature and humidity corrected readings.

Real-time IoT-based air pollution monitoring system using Arduino, MQ135, and DHT11 with alerts and LCD display.

Estación meteorológica con ESP32, MQTT, Flask, PostgreSQL y bot de Telegram. Monitorea clima en tiempo real con dashboard web y alertas inteligentes.

This project demonstrates an IoT-based air pollution monitoring system using the MQ135 air quality sensor. The system measures the air quality index (AQI) and displays the results on an LCD screen while providing visual and auditory alerts based on the AQI levels.