Wi-Fi: From the local area network to the Internet of Things, Wi-Fi technology has always been positioned in the application of enterprise LANs due to restrictions on roaming, switching, security, interference, and transmission rate. The main goal of Wi-Fi application. However, as emerging technologies such as the Internet of Things, wireless cities, and digital homes spark a new round of technological revolution, Wi-Fi technology is emerging from the company's internal LAN.
Is the Internet of Things industry driving Wi-Fi or wifi driving the Internet of Things industry.
At present, the Internet of Things has been highly valued by governments and industry authorities at various levels in various countries. Some people predict that the future Internet of Things will be a trillion-scale market that is 30 times larger than the current Internet. With strong support and promotion, the development of Internet of Things technology will surely become the latest trend in the development of information technology networking.
However, in addition to relying on the underlying sensor technology, IP address resources, intelligent embedding technology, and automatic identification technology, to achieve a truly ubiquitous Internet of Things, it is more important to achieve uniform and stable data transmission at the data transmission layer. Wi-Fi is an important form of broadband wireless access network, which can realize high-speed wireless connections in local areas, and the transmission rate is moving from the current 54Mbps to a higher 600Mbps. At the same time, Wi-Fi also has the characteristics of simple networking structure, convenient and fast construction, etc., which has attracted more and more attention. With the continuous expansion of the Wi-Fi application field, the increasing variety of product types and the accelerated application of Wi-Fi devices, I believe that Wi-Fi will become the cornerstone of the Internet of Things industry, learning Wi-Fi is the best access to the Internet of Things industry point.
The LTWD1212-10S-2LN development board mainly uses Nuvoton's cortex-M0 core 32-bit microcontroller and the American redpines company's WIFI RS9110 N-11-22 module. , DHCPsever, WEBsever and other functional tests. Give users intuitive understanding of WIFI communication, master the basic methods of WIFI wireless communication, and be familiar with TCP / IP protocol.
The RS9110 N-11-22 module is a wireless device server based on the complete IEEE802.11BGN protocol. It can directly provide a wireless interface to any device that uses a serial or SPI interface for data transmission. It integrates MAC, baseband processor, radio frequency transceiver with power amplifier, frequency reference, antenna on hardware and all wireless LAN protocol and configuration functions, network protocol included in embedded firmware, provides for various applications A completely self-contained wireless LAN solution based on 802.11n protocol.
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