Nowadays, humidity measurement is important for various applications in the industry. Humidity sensing is applied in automotive, medical and healthcare, HVAC, t&m, food storage and refrigeration, and ...

Relative humidity, or RH, is the percentage of moisture in the air referenced to the maximum level of moisture the air can hold at that temperature and pressure. Early humidity sensors used natural ...

In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it than that. [rbaron] explains exactly how ...