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.
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[i=s]This post was last edited by Shenzhen Xiaohua on 2021-9-2 15:30[/i]The wavelength of a 50 Hz electromagnetic wave is300,000,000 meters / 50 = 6,000,000 meters . Is it a single independent quantum...
Author: Joshua Zhu, ST engineer
Click to download the pdf document:Problem: Some customers want to develop products using BlueNCG-132 and want to add an external PALNA to extend the range of the RF sy...
When learning DSP development, I often feel that there are too many technical documents. Every book is useful and I want to read every book, but I don't know where to start. At this time, the principl...
See a battery switching circuit, as shown below,
1. Q1 and Q2 are NMOS tubes, Q3, Q4 and Q5 are PMOS tubes, and D1 is a diode.
2. BAT1 and BAT2 are batteries. The capacity of BAT2 is larger than that ...
China Unicom has officially announced that it has signed a "5G Network Co-construction and Sharing Framework Cooperation Agreement" with China Telecom, and will cooperate to build a 5G access network...[Details]
1. Use proteus to draw a simple circuit diagram for subsequent simulation 2. Programming /*********************************************************************************************************...[Details]
On the morning of April 30, Qualcomm released its second quarter financial report for fiscal year 2020. They said that due to the COVID-19 pandemic, the smartphone industry's mobile phone shipments i...[Details]
Everyone is annoyed by the ads in mobile apps. Sometimes, even when you open an app, you need to watch more than 30 seconds of ads before you can get to the point. When you click on the subdivided op...[Details]
Snapdragon 875 is scheduled to be released on December 1st. Samsung has already tactfully confirmed that it will release the new Galaxy S flagship earlier than in previous years, and it is repo...[Details]
According to foreign media reports, researchers from the Skolkovo Institute of Science and Technology (Skoltech) in Russia, Aalto University in Finland and the Massachusetts Institute of Technology (...[Details]
On November 23, 2023, the 2MW/4MWh user-side energy storage power station of Nahui New Energy Industrial and Commercial Shopping Mall, located on the northeast side of Wanda Plaza in Longgang Distr...[Details]
1. The green light in the figure is the elevator up indicator, the yellow light is the down indicator, and the red light is the alarm indicator. 2. The elevator is initially located on the first floo...[Details]
01 Overview
The so-called DoIP is actually a communication protocol based on Ethernet to transmit the data of the UDS protocol, namely Diagnostic communication over Internet Protocol. It is al...[Details]
On February 26, at the second "Core Power·Cloud Roadshow" closed-door salon hosted by Jiwei.com, the "High-speed and High-precision Signal Chain Chip" project brought by Core Interconnect Technology ...[Details]
According to People's Daily Online, in recent years, as new energy vehicles have become more and more popular in my country, quality issues related to new energy vehicles have also gradually begun to...[Details]
A stepper motor is an electromechanical device that directly converts electrical pulses into mechanical motion. By controlling the sequence, frequency and number of electrical pulses applied to the...[Details]
SHANGHAI, March 23, 2023 /PRNewswire/ -- On March 10, 2023, Shanghai Payne Energy Technology Co., Ltd. (hereinafter referred to as Payne Technology) obtained the Japanese JET certification for its ...[Details]
Since Uboot2011.06 has good support for S3C6410, we use Uboot2011.06.
1. Porting environment
Host: VMWare-ubuntu
Development board: ok6410—512M nandflash, Kernel: 2.6.30.4
u-boot: u...[Details]