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.
Recently, I saw a heated discussion about LM2576 on the Internet. There are different opinions. Some say it is very useful, while others think it is not very good. I have made some power supplies for ...
EMI Test Specifications and Measurements
IntroductionMost power applications must reduce electromagnetic interference (EMI) to meet requirements, and system designers must try various methods to reduc...
Solve y=(ax^2-bx+c)/(dx+e) by programming, and put the quotient and remainder in the data memory 1000H and 1001H respectively. (1) Given a=8, b=6, c=10, d=7, e=9, x=5, find y. (2) Given a=0.9, b=0.1, ...
Recently, in a case of 9-150V input and 12V 8A output flyback, several measures to improve efficiency were compared:
1. Further optimize the transformer and reduce RCD loss;
2. LCD clamping;
3. Active...
[i=s]This post was last edited by dsjsjf on 2019-3-1 11:16[/i] [url=https://en.eeworld.com/bbs/elecplay/content/103]The development board ST NUCLEO-H743ZI evaluated in this event is provided by STMicr...
What is the relationship between the speed ratio of the reduction mechanism and the lever ratio? What is the relationship between the force of the first gear and the last gear?For example, in the figu...
BlackBerry is a Canadian communications company co-founded by Mike Lazaridis and Douglas Flegen. It is headquartered in Waterloo, Ontario, Canada. Its main products are BlackBerry mobile phones...[Details]
Smart home requires that household appliances can be interconnected and interoperable via a network (bus), and the bus protocol is the essence of it. At present, the dominant home network standards...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
According to the latest news, Apple intends to expand the scope of use of Touch ID on the iPhone, and currently this fingerprint recognition only appears on the iPhone SE series. The news men...[Details]
Recently, JinkoSolar supplied a new generation of SunGiga liquid-cooled energy storage products for the energy storage project of Yuhuan Zhiwen Steel Trading Co., Ltd. (hereinafter referred to as "...[Details]
When an interrupt or exception occurs, the CPU automatically points the PC to a specific address, which is the interrupt vector table. In a 32-bit ARM system, a branch instruction or a PC register ...[Details]
1 Introduction
Direct digital synthesizer (
DDS
) technology has the advantages of fast frequency switching speed, easy to improve frequency resolution, low hardware requirements, p...[Details]
This article takes STM8S103F3P6 programming as an example to introduce the capture cycle and duty cycle of STM8S103F3P6 timer 1 Computer platform: Windows 7 64-bit flagship Compiler software: IAR H...[Details]
1 Battery structure and control
"Oh my god, man, that's a Tesla, it's brand new." If you didn't see it with your own eyes, no one would believe that the car on fire was a Tesla Model S. Before ...[Details]
The L4970A series of high-power monolithic integrated switching power supplies is the second generation product launched by ST after the L4960 series. The circuit features are: it is developed using ...[Details]
On July 25, Xie Cun, Director of the Information and Communications Development Department of the Ministry of Industry and Information Technology, stated at the on-site meeting on the large-scale dev...[Details]
We look at Sparrow, how unauthorized users can use wireless infrastructure to communicate covertly
Reza Soosahabi,
Senior R&D Engineer at Keysight Technologies
...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
Abstract: This paper introduces the application of home information terminal with Atmegal03 as the main control chip in the intelligent construction of residential areas. The software and hardware te...[Details]
Since the beginning of this year, state-owned central enterprises have continued to increase their layout in strategic emerging industries. A reporter from China Securities Journal recently visited th...[Details]
Power technology
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