Create an IoT-based system that measure the amount of hazardous gases in the air, detect leakage and ventilate into safe containment. Such system is to be installed at industrial sites such as such as ...

An Arduino Uno (CH340G clone) reads temperature and humidity from a DHT11 sensor and computes 10+ environmental metrics (heat index, dew point, enthalpy, humidex, vapor pressures, etc.), outputting ...