The function of the sensor

　　The function of the sensor is similar to that of the five major human sensory organs: light sensor - vision. Acoustic sensors - Hearing. Gas sensor - Smell. Chemical sensor - Taste. Pressure sensitive, temperature sensitive, fluid sensor - touch. Force sensors - Force control, classification of sensitive elements: physical, based on physical effects such as force, heat, light, electricity, magnetic and sound. Chemistry, based on the principles of chemical reactions. Biological, based on the recognition of enzymes, antibodies, hormones and other molecules. Generally, according to its basic perception function, it can be divided into ten categories such as thermal sensor, photosensor, gas sensor, force sensor, magnetic sensor, humidity sensor, acoustic sensor, radiation sensor, color sensor and taste sensor (there are also 46 categories of sensitive components).

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