The purpose of "kukO2“ is to detect the CO2 content in indoor areas.
We will use 4 LEDs, depending on the level of light that we capture with the LDR sensor.
Project in progress by Rafa Salvador
Arduino is used with MQ-135 to determine the air quality and then this value is updated to ThingSpeak channel.
Project tutorial by Ruchir Sharma
Hello, thank you for this nice explanation, what did I do wrong if it always stays at 0.00 ppm?
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