Originally Posted by
stphen
A humidity sensor, also called a hygrometer, measures and regularly reports the relative humidity in the air. They may be used in homes for people with illnesses affected by humidity; as part of home heating, ventilating, and air conditioning (HVAC) systems; and in humidors or wine cellars. Humidity sensors can also be used in cars, office and industrial HVAC systems, and in meteorology stations to report and predict weather. A humidity sensor senses relative humidity. This means that it measures both air temperature and moisture. if anyone knows more about this please feel free to post , i will love to read it.
