8Z0820535AAir temperature sensor suitable for Audi

The function of a sensor is to convert various signals from the outside world into electrical signals. A sensor is a detection device that can sense the information of the measured object and transform the sensed information into electrical signals or other required forms of information output according to certain rules, to meet the requirements of information transmission, processing, storage, display, recording and control, etc. It is the primary link in achieving automatic detection and automatic control.