TEMPERATURE AND HUMIDITY SENSOR MODULE SENSING METHOD

摘要

A temperature and humidity sensor module sensing method for enabling a temperature and humidity sensor in an electric product to provide the detected humidity message to a micro control unit for determination. According to the characteristic curve of a known humidity sensor, the micro control unit determines that the humidity value rising slope exceeds a predetermined rising slope for a specific period of time, or the relative humidity rises a predetermined percentage for a specified period of time, or a high humidity limit continues for a specific period of time, indicating that the surface of the temperature and humidity sensor is attached or condensed with water molecules. Then, the micro control unit controls the heating element to heat-dry the temperature and humidity sensor, keeping the temperature and humidity sensor in the optimal working condition.