What is a linear displacement sensor and what is its functio

The function of linear displacement sensor is to convert linear mechanical displacement into electrical signal. To achieve this effect, a variable resistance slide is usually placed at a fixed part of the sensor, and different resistance values are measured by the displacement of the slide on the slide. The sensor slide is connected to a steady-state DC voltage, allowing a small current of microamperes to flow, and the voltage between the slide and the starting end is proportional to the length of the slide. The use of the sensor as a voltage divider minimizes the need for accuracy in the total resistance of the slide, since changes in resistance due to temperature changes will not affect the measurement results. A linear displacement sensor, also called an electronic ruler, is actually a sliding rheostat.