1. How much importance do companies place on software testing?It can be seen that most companies still attach importance to software testing.
2. Educational requirements for software testing engineers...
Study Notes: Li Rui from Shanghai Jiaotong University - Research Solutions for Energy Storage Systems
Author: The Sky That Has Not Flyed
Source: The Road to Switching Power Supply (Official Account)Th...
Evaluation kit: Zhengdian Atom DFPGL22G development board (main board + Ziguang downloader)The DFPGL22G development board is the first board based on domestic FPGA chips launched by Zhengdian Atom . T...
China Chemical and Physical Power Industry Association
Group Standard Announcement
No. 6 of 2022 (No. 20 in total) The China Chemical and Physical Power Sources Industry Association has approved the ...
This case is a configuration case of using a Profinet to RS485 gateway to connect three multi-function power meters.Required equipment: a Siemens 1200PLC, a Profinet to RS485 free protocol gateway, an...
This case is a configuration case of using a Profinet to RS485 gateway to connect three multi-function power meters.Required equipment: a Siemens 1200PLC, a Profinet to RS485 free protocol gateway, an...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]