Build an indoor air quality monitor using a micro:bit, SCD40 CO2 sensor, and Embedded Rust to measure CO2 levels, display data, and enable Bluetooth connectivity for long-term monitoring.

He said that the EPA standards for warning the public when dangerous levels of PCB become dangerous is way too high, as danger can occur at much lower levels. I also find it interesting that this ...

Air quality monitoring systems, which are becoming more common, could be a step to breathing healthier air. If you walk into real estate developer Sterling Bay's Fulton Market building, chances ...