Abstract
The purpose of this project is to manufacture a cheap and simple slip sensor. The slip sensor is based on the optical sensor. The experiment divides into two parts, how to build sensor and how to test the features of the sensor. The slip sensor could be divided into three parts, cover, optical sensor and adaptor board, which will connect to the suitable resistors circuit to obtain the large gain. During the test, the participant applies the static state way to measure the relationship between input and output with a white cover and a gray cover. The slip sensor with the white cover has low hysteresis and high repeatability which are better than the gray cover.