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Interfacing MQ-135 Gas Sensor with Arduino - Electronics ...

2019-10-30· According to need, you can display the CO2 levels on Serial Monitor or LCD. I made this article simple and easy to understand so that beginners can also understand. Before getting started you must know about MQ-135. MQ-135 is a gas sensor which is sensitive to CO2. The change in CO2 levels changes the resistance of sensor which results in the change in the output of the sensor. The output ...

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co2-sensor · GitHub Topics · GitHub

2021-01-21· 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. arduino air-quality co2 thingspeak arduino-sketch iot-device co2-sensor mq135-sensor Updated Feb 1, 2021; C++; …

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