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1. What is surge? Surge is also called surge, which means instantaneous overvoltage exceeding the normal working voltage. In essence, surge is a violent pulse that occurs in just a few million...[Details]

Most of the detection instruments based on piezoelectric quartz crystal microbalance technology at home and abroad use self-designed oscillation circuit boxes, use high-resolution frequency counters t...[Details]

1. Introduction: i5-9300H+GTX 1650 is one of Dell's rare cost-effective gaming laptops When it comes to Dell laptops, many people think of XPS and Alienware. XPS broke the limit of the thinness and l...[Details]

uClinux is an embedded Linux operating system designed for the control field. It inherits most of the features of mainstream Linux and has been reduced to a certain extent. Its design is mainly aimed ...[Details]

1. Brief description of relay A relay (as shown in Figure 1) is an electrical control device that has an interactive relationship between the control system (input circuit) and the controlled system ...[Details]

Farnell element14, a global distributor of electronic components and solutions under Avnet, called on its community of engineers and makers to actively meet the challenges during the epidemic, protec...[Details]

On October 31, the IPO application of Harbin Sizhe Rui Intelligent Medical Equipment Co., Ltd. was officially accepted by the Shanghai Stock Exchange. The company plans to raise 2.029 billi...[Details]

　　1 Introduction 　　With the continuous development of computer technology and measurement and control technology, in the data acquisition system with single-chip microcomputer as the core, it is nece...[Details]

The magnetization process of the iron core by DC pulses is similar to the charging and discharging of a capacitor, except that there is residual magnetism in the iron core after the current di...[Details]

In the early 1990s, portable phones were all the rage. As laptop computers shrank in size, they became known as “backpack phones.” Today, the electronics industry has come a long way, and today’s c...[Details]

According to foreign media reports, self-driving cars will gradually become a popular means of transportation in the next few years. However, before that, researchers need to develop tools to ensure ...[Details]

In order to ensure the safe, reliable and efficient operation of the power system, high-quality power supply is an important task. To this end, a portable power quality monitor is used to accurately m...[Details]

With the improvement of people's living standards and the damage to people's health caused by pollution caused by industrial manufacturing, more and more people have realized the importance of environ...[Details]

In response to rumors that NIO delayed the payment of wages, a NIO insider told reporters that it was not delaying the payment of wages, but rather announcing the payment time of the 13th salary and ...[Details]

Cars are becoming more and more popular, and have been chosen by more and more families as their means of transportation. Driving safety has attracted widespread attention from the society. Wheneve...[Details]