Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
[b][size=4]Event details >> [/size][/b][url=https://www.eeworld.com.cn/huodong/Mentor_20181203/index.html][b][size=4][color=blue]Download and answer questions to win prizes: Use Mentor's Xpedition Lay...
[i=s]This post was last edited by dcexpert on 2019-10-14 09:14[/i]In CircuitPython, I2C, SPI, UART and other functions are provided by the busio module, so you need to import busio before you can use ...
Dear teachers,I drew a four-layer board and laid copper, and the following two problems occurred. Can you give me a solution?
1 For the same GND network, some boxes have no copper, while others can in...
Light display with delay program After the previous stage of learning, we finally wrote a program that can control the change of light. In practical applications, this program can be used to contro...
I checked a lot on the Internet, and they all said that the discharge needle is to provide a discharge circuit, and discharge through the air when high voltage is applied. It is relatively easy to pas...
US investment bank Evercore ISI recently included Micron in its top picks list, and pointed out that Nvidia and AMD's stock prices have risen recently due to the concept of the Metaverse, but investo...[Details]
At present, the research on three-phase power factor correction mainly focuses on control strategy and topology. The research on control strategy mainly focuses on current source control, multi-loo...[Details]
As 32-bit RISC systems become more powerful, the desktop x86 architecture is also gradually reducing its power requirements. Today, both platforms can be used to design battery-powered mobile devic...[Details]
IIC stands for Inter-Integrated Circuit (IC bus). This type of bus was designed by Philips Semiconductor in the early 1980s. It is mainly used to connect integrated circuits (ICS). IIC is a multi-di...[Details]
There were reports recently that Huawei's future Android phones will not be able to provide complete Google services, and will not even be pre-installed with Google apps. Now it seems that this rumor...[Details]
During the STM8 program compilation process, I encountered such an error: Error : no definition for "assert_failed" The reason for this problem is that the function "void assert_failed(u8* file, u32...[Details]
This is a 51 microcontroller CO2 detection and display program data. The T (TXD) of the carbon dioxide sensor MH-Z19 module is connected to the RXD of the microcontroller, R (RXD) is connected to the...[Details]
Today I will tell you about the serial communication of this board. Here we don't need to look at the board, as long as we know how to use the serial port of the 51 chip. Let's go directly to the c...[Details]
1 PCI interface design principle 1.1 Introduction to PCI Bus Protocol Here we only discuss the PCI bus 2.0 protocol. Other protocols are just some extensions based on 2.0. As far as the c...[Details]
With the development of power electronics technology, the harmonic problems caused by power electronic devices have a great impact on the safety, stability and economic operation of the power grid....[Details]
As the general LED lighting market continues to grow, customers are demanding new smart features, higher energy efficiency, and money savings. This article focuses on LED home lighting, commercial li...[Details]
Recently, the State Intellectual Property Office issued a "Decision on the Examination of the Request for Invalidation", with decision number 51403 and patent number 201310281715.4, maintaining the...[Details]
After the PV system is installed, the user is most concerned about the power generation, because it is directly related to the user's return on investment. There are many factors that affect the po...[Details]
Many engineers are not very familiar with spectrum analyzers. Here are the steps to operate and use Agilent spectrum analyzers shared by Antai Maintenance: 1. Press the Power On button to turn on t...[Details]
There would be no market for electric vehicles if charging infrastructure for electric vehicles required long queues and hours of waiting. As public charging points tend to increase power delivery ...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
