A sensor is a detection device that can sense the information being measured and convert 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.
With the rapid development of power electronics technology and the switch industry, power electronics equipment is becoming increasingly closely related to people's work and life, and electronic equipment cannot do without a reliable power supply.
The most basic function of electronic components is to hinder the flow of current. The two most basic parameters for measuring resistors are resistance and power.