Add the following snippet to your HTML:<iframe frameborder='0' height='385' scrolling='no' src='https://www.hackster.io/alagunila/home-air-quality-sensor-with-iot-c263fc/embed' width='350'></iframe>

This provides an automatic signal of the risk of air pollution, Warning signal is only activated when the risk is at an unacceptable level.

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Home Air Quality Sensor with IoT

Alagunila

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