What is a sensor

The sensor (English name: transducer/sensor) is a detection device that can sense the information to be measured, and can transform the sensed information into electrical signals or other desired forms of information output to satisfy the information. The requirements for transmission, processing, storage, display, recording and control. The characteristics of the sensor include: miniaturization, digitization, intelligence, multifunction, systematization, and networking. It is the first link to achieve automatic detection and automatic control. 

The presence and development of sensors allow objects to have senses such as touch, taste, and smell, allowing objects to become alive. According to its basic perceptual functions, it can be divided into ten categories: thermal sensors, photosensitive sensors, gas sensors, force sensors, magnetic sensors, humidity sensors, acoustic sensors, radiation sensitive sensors, color sensors, and taste sensitive sensors. .

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