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.
[i=s]This post was last edited by yang8555u on 2022-7-27 13:35[/i] Last time I posted, I asked everyone in the forum, trying to find the complete system SDK of RT-Thread for N32WB452, but unfortunatel...
In the device instance path of the device manager, there is something like 20413258574D below.
Taking the virtual serial port as an example, the VID and PID can find the corresponding device in the co...
Original URL: https://zhuanlan.zhihu.com/p/85308440Figure 2-1 is a simplified block diagram of a superheterodyne spectrum analyzer. "Heterodyne" means mixing, that is, converting frequencies, and "sup...
TDA2030 is an audio amplifier circuit, which adopts V-type 5-pin single in-line plastic package structure. As shown in the figure, it can be divided into H type and V type according to the shape of th...
Yesterday, artificial intelligence company Yitu Technology held a press conference in Shanghai, launching a cloud-based visual reasoning AI chip "Questcore", as well as a series of integrated hardwar...[Details]
Tracking data from research firm Counterpoint shows that in the first half of 2021, Unisoc's smartphone application processor (AP) shipments soared, up 122% from the same period last year. In the sec...[Details]
STARTUP.A51 //Startup file. Clean up RAM. Set up stack, etc. After executing start.a51, jump to the main function of the .c file
reg51.h //Byte address and bit address of special registers. sfr d...[Details]
Recently, the world's top 100 semiconductor companies and China's top 1000 hardware companies gathered at the "World Hard Innovation Summit" in Shenzhen. At the meeting, there was a passionate collis...[Details]
This article mainly introduces the use of the mobile version of LOTO oscilloscope. In the previous article, we introduced its use under Windows system, but it can actually support Android phones, and...[Details]
There are many instruments that can measure the power of RF signals. Among them, the commonly used general RF instruments include the following categories: • dynamometer •Spectrum and signal analyzer...[Details]
As one of the main suppliers of Huawei's smart screen, AUO recently showed the latest display devices for various applications to the public. Among them, the more attractive one is a 5.6-inch AMOLED ...[Details]
Friends who want to buy LED display screens will definitely ask for LED display screen quotation plans as a reference to see if the budget is overspent. Based on years of experience, we will introd...[Details]
On the morning of August 29, Liu Xiaoping, deputy secretary of the Jiuyuan District Committee and district mayor, and Xie Dagang, deputy secretary of the district committee, secretary of the Political...[Details]
In the development of single chip microcomputer, if the timing relationship is not determined correctly, the data cannot be read and written correctly. Therefore, in the program, how to correctly con...[Details]
On December 27, the National Energy Administration announced new energy storage pilot demonstration projects. Energy storage technologies include compressed air energy storage, flywheel energy stor...[Details]
In the process of using network analyzers, many engineers will have some errors, and these errors include: drift error, random error, and systematic error. These three types of errors are also common...[Details]
The Indian subsidiary of major inverter supplier ABB has sold more than 5 GW of PV inverters in India.
ABB's factory in Bangalore, India, which makes solar inverters, doubled its productio...[Details]
With the development and progress of society, people's pace of life has accelerated. In environments such as family life and work, there are often no people. At this time, security issues are worryin...[Details]
Compared with linear power supplies, switching power supplies have many advantages: because the main power transistor works in a switching state, its loss is small and the overall efficiency is gre...[Details]