The function of the sensor is compared with the 5 senses of the human:

Photosensitive sensor - vision

Sound sensor - Hearing

Gas sensor - the sense of smell

Chemical sensor - sense of taste

Pressure sensitive, temperature sensitive,

Fluid sensor - tactile sensation

Classification of sensitive components:

Physics, based on the physical effects of force, heat, light, electricity, magnetism, and so on.

Chemical class, based on the principle of chemical reaction.

Biological class, based on the molecular recognition of enzymes, antibodies, and hormones, etc..

Usually according to its basic perception can be divided into heat sensitive components, photosensitive components, gas sensors, force sensors, Ci Min components, humidity sensors, acoustic sensors, radiation sensitive components, color sensitive components and components, such as ten types of sensitive components are divided into 46 categories

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