On April 16, the US Department of Commerce ordered the US company to ban the export of telecommunications parts and components to ZTE for a period of seven years. This ban may cause ZTE to enter a state of shock and the Sino-US technology war will resume. Lack of core technology will a
What is the difference between non-standard automation and automation? Non-standard automation refers to the non-standard automation equipment customized according to the customer's needs. It also belongs to the automation field. The function is to design and customize the automa
What are the common problems with IoT cards? How to solve? Zhongjing Yuan IOT has compiled some common questions about users' IoT cards and made detailed answers. 1Q: What is the Internet of Things Internet? A: IoT private network refers to the Internet of Things private
An Kerui Cui Tingyu Jiangsu Ankerui Electric Appliance Manufacturing Co., Ltd. Abstract : This paper introduces the power management system of Changke Changkelong Plaza and uses smart power meters to collect various electrical parameters and switch signals at the distributio
Children are the center of the family and education is the focus of the family. Therefore, home education is also a demand point for household appliances users. Recently, the Skyworth TV system has its own children education platform and has embedded the education module int
On April 8th, 104 test aircrafts of the ARJ21-700 aircraft independently developed by China went to Iceland, "away home" for 41 days, and after more than 20,000 kilometers of voyages, they landed smoothly at Xi'an Yanliang Airport and slowly greeted them. The &qu
In practical applications, the application of RFID systems should consider the factors affecting system performance, such as location, distance, temperature, humidity, and interference. Untested RFID systems, the overall performance of the system is not clear, may affect the a
The detection of wire and cable has always been an important part of the national standard wire and cable. The higher the quality inspection department within a wire and cable company, the better the quality of the wire and cable produced by this enterprise, and the more reliable it is. So what kin
When it comes to the kernel, everyone will feel very mysterious. The adjustment of the kernel parameters is even more like a cloud. In fact, it is not as difficult as everyone thinks, and adjustments to them are rarely used. Maybe you have experi
At present, microelectronics technology based on single-chip microcomputer control technology has achieved unprecedented development. It is widely used in various control fields, intelligent fields, and simulation fields. The timing control and temperature control in the contr
1. Introduction to MAX7219 MAX7219 is a serial-in and parallel-out common cathode LED digital tube display driver, each of which can drive 8-bit LED digital tube display. It only needs 3 lines with the interface of the single-chip microcomputer, with BCD decoder and display
Uber recently caused a bicycle cyclist to be caught in a car accident. Many people believe that the responsibility for low system capacity should be borne by Uber, but some people believe that the accident itself is not worth making a fuss. In my opinion, such accidents can in