​At present, most of the Internet of Things (IoT) nodes use ZigBee for networking, and then connect to the network through a gateway (gateway). However, the advantages of ZigBee are not obvious, and many companies are developing new modules to replace it, such as Bluetooth, WiFi, GPRS/3G/4G, etc. Can these modules replace ZigBee? What are the advantages and disadvantages of these communication modules?

With the development of Internet of Things technology, the hotel industry is becoming more and more intelligent. Guests can easily register online and check in directly for you. After entering the hotel, you can directly enter the room and unlock it with your mobile phone WeChat.

IoT is a key enabler in smart city projects, and many other technologies and applications must be used to make smart city projects a reality. Smart cities are becoming more and more popular. However, smart city development is more than just building a website and hoping it will take off. The ability to respond instantly is an important factor leading to the transformation of urban form. To develop smart city technologies, cities must have access to information on sustainability, resilience and artificial intelligence to successfully analyze data and improve urban life.

The number of cars in my country is increasing year by year. While people enjoy convenient travel, it has become a new problem to go around looking for parking spaces. According to the data of the National Development and Reform Commission's Urban Transportation Center, the gap of parking spaces in my country has reached 80 million.

In order to fight the tough battle of pollution prevention and control, speed up the ecological environment protection, "strictly control environmental protection and promote green development", win the battle of "blue sky, clear water and pure land" in an all-round way, and build a beautiful China, the state has successively issued "On Comprehensively Strengthening the Ecological Environment".