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.
[align=center][size=5]Open source robot dual motor sensorless FOC drive reference design based on STM32F303[/size][/align][align=center][size=5] [/size][/align][align=center][size=5]Figure and other i...
Authors: Peng Huaxin, Professor, Zhejiang University; Qin Faxiang, Researcher, Zhejiang UniversityElectromagnetic functional composite materials can be divided into three categories according to their...
Some portable electronic devices want their power adapters to be suitable for both AC mains with a global voltage range and 12V and 24VDC batteries in cars. Usually the most convenient solution is to ...
There are many types of noise, and their properties are also varied. Therefore, there are also many noise countermeasures (i.e., methods to reduce noise). Here, we mainly talk about noise related to s...
This is the PCB and schematic diagram of the power amplifier board. I directly connected the digital ground part through copper cladding. The digital part and the analog part are covered with copper s...
Preface Orifice plate is a throttling device for process flow detection instruments. Due to its long history of application, a complete database table of design, calculation, specification, and s...[Details]
On the morning of April 6, Apple has confirmed that the 2022 WWDC Developer Conference (WWDC22) will open on June 6, local time in the United States (June 7, Beijing time). Due to the epidemic, ...[Details]
As the world turns to data-centricity, a new era of diversified computing has arrived. As new workloads such as artificial intelligence, cloud data centers, the Internet of Things, next-generation ne...[Details]
What is a subroutine? In the actual programming process, in order to reduce the amount of program code, some frequently used instruction sets are called subroutines; this can be compared to the delay...[Details]
The world's largest 100MW and large-scale outdoor demonstration base, source: State Power Investment Corporation Huanghe Hydropower
Recently, the State Power Investment Corporation (SPIC) ...[Details]
On August 4, the Ministry of Industry and Information Technology of China issued GB/T34013-2017 "Specifications and Dimensions of Power Storage Batteries for Electric Vehicles" (hereinafter referre...[Details]
1 Introduction RS232 has been used as a connector between DTE (Data Terminal Equipment) and DCE (Data Circuit-terminating Equipment) in the communication field for a long time. Since the advent of PC...[Details]
The purpose of DIY is to make a night light with as little cost as possible. There is almost no technical content, just for fun... OK, let's get to the point:
Materials needed for DIY:
...[Details]
With the rapid development of computer network technology, mobile communication technology, and multimedia technology, wireless monitoring systems have been widely used in military, industrial, agric...[Details]
Resistors are one of the most commonly used electronic components in our lives, but if the markings of resistors are not clear during production or other situations, how can we quickly measure their r...[Details]
The convergence of consumer and automotive electronics, including the adoption of the USB protocol as an in-system serial bus, will continue. USB provides a cost-effective and well-understood inter...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environme...[Details]
As the release date approaches, the Samsung Galaxy A02s not only appeared in the GeekBench benchmark database, but also passed the Bluetooth SIG and NBTC certifications. The certification documents c...[Details]
The data of the microcontroller when it is running is stored in RAM (Random Access Memory). The data in RAM cannot be retained after power failure. So how to prevent the data from being lost after ...[Details]
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