RS485 principle This principle, also known as ANSI/TIAEIA-485, TIA-485-A or TIA/EIA-485, is jointly defined by the Electronic Industries Alliance and the Telecommunications Industry Association. Simply put, it is a method used in balanced digital multipoint systems. Standards that define the electrical characteristics of drivers and

Report summary: Wireless transmission is the main information transmission method of the Internet of Things, and the communication module is one of the core components of the Internet of Things. Wireless transmission is mainly divided into three types of connection methods: cellular communication technology, LPWA

As we all know, the PPPoE protocol of industrial routers is a common dial-up Internet access method. So what is its principle? PPPoE: DNS protocol The Internet is essentially just a very large computer network, and in many ways is not unlike a local area

Currently, a technological and industrial revolution represented by a new generation of artificial intelligence is brewing. The construction of digital, networked, and intelligent information infrastructure is accelerating. Integrated innovation and cross-field innovation characterized by the cross-fusion of information communications, life , and materials science have

Since the 2010s, many “brain” and “nervous system” concepts have emerged in the field of IT technology, such as Internet brain, Google brain, Baidu brain, 360 security brain, Huawei urban nervous system, etc. City brain is one of them. This is an interesting phenomenon. Why

1 Introduction With the rapid development of science and technology and information technology in our country, advanced technology has been applied to various industries. In modern control systems, data must be unified and analyzed, and equipment must be controlled in real time. Therefore, microcontrollers are

With the rapid development of information technology, the dependence of private information and business information transmission on wireless communication networks is significantly increasing, and the resulting attention to the security issues of the communication system itself is also rapidly increasing. As shown in Figure 1,

With the gradual maturity of network technology and the arrival of the wireless sensor era, wireless sensor network technology has become a technology hotspot in recent years. Embedding a standardized network protocol in network equipment can improve the interconnection between networks, improve the flow between

Application of 4G communication technology in telemedicine According to the latest information from Verizon, the largest wireless communications company in the United States, in September 2013, Michigan St. Clair Company developed an advanced telemedicine solution using the 4G LTE network to provide medical staff and

With the continuous development of wireless communication technology, the Internet of Things, as a major component, has attracted attention from all walks of life. This article mainly studies the development status of the Internet of Things in the wide-area wireless communication environment, and then analyze

The Internet of Things supported by the fifth-generation mobile communication system (5G system for short) will expand its access volume and coverage, and can greatly better adapt to and meet the growing operation and maintenance needs of urban rail transit. By studying the development direction,

Released in 1962 by the Electronic Industries Association (EIA) and BELL and other companies; the full name of the RS 232C standard (protocol) is the EIA-RS-232C standard, where EIA represents the Electronic Industries Association, RS represents the recommended standard , and 232 is the identification