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This article will explain in detail what it means to use the rfid sensor QR code to obtain object information anytime and anywhere on the Internet. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

Using the rfid sensor QR code to obtain the information of the object anytime and anywhere refers to the "overall perception of the Internet of things"; overall perception, you can use radio frequency identification, QR code, smart sensors and other sensing devices to perceive and obtain all kinds of information of the object; the basic characteristics of the Internet of things can be summarized as overall perception, reliable transmission and intelligent processing.

Operating environment of this article: Windows7 system, DELL G3 computer

The overall perception of the Internet of things.

Overall perception, you can use radio frequency identification, QR codes, smart sensors and other sensing devices to perceive and obtain all kinds of information of objects. The basic characteristics of the Internet of things from the perspective of communication objects and processes, the information interaction between things and things, people and things is the core of the Internet of things. The basic characteristics of the Internet of things can be summarized as overall perception, reliable transmission and intelligent processing.

Reliable transmission, through the integration of the Internet and wireless networks, the information of objects can be transmitted real-time and accurately, so that information can be exchanged and shared. Intelligent processing, the use of a variety of intelligent technologies, the perception and transmission of data, information analysis and processing, to achieve intelligent monitoring and control.

Extended data

The basic working principle of RFID technology is not complicated: after the tag enters the reader, it receives the radio frequency signal sent by the reader, and sends out the product information stored in the chip (Passive Tag, passive tag or passive tag) by virtue of the energy obtained by the induced current.

Or the tag actively sends a signal of a certain frequency (Active Tag, active tag or active tag). After the reader reads the information and decodes it, it is sent to the central information system for data processing.

A complete RFID system is composed of reader and electronic tag, that is, the so-called transponder and application software system. Its working principle is that the reader (Reader) emits a specific frequency of radio wave energy to drive the circuit to send out the internal data. At this time, the Reader receives the interpretation data in sequence and sends it to the application for corresponding processing.

This is the end of the article on "what does it mean to use the rfid sensor QR code to obtain object information anytime and anywhere on the Internet?" I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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