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.
As we all know, PCB boards are prone to bending and warping when passing through the reflow oven. So how to prevent PCB boards from bending and warping when passing through the reflow oven? The follow...
[size=4][color=#000000][backcolor=white]Impedance matching is a common concept in high-frequency design. This article provides a good analysis of this "impedance matching". It answers what impedance m...
MCS-51 series and 80C51 series microcontrollers[ Print ][ Return ]Source: "Embedded and Single-Chip Microcomputer Systems" Data compilation: dunleavyMCS is the series symbol of Intel's single-chip mic...
(1) Memory expansion: Capacity requirements. When selecting, the internal memory resources of the MCU should be considered. If the requirements can be met, there is no need to expand. When expansion i...
A photo of five cute cats huddled together on a "satellite dish" to keep warm in the snow has recently become a hit on foreign social media. According to a report by the British newspaper The Guardian...
Design concept and overall plan
1 Design concept of non-contact electroscope
The electrical tester developed this time is mainly used for monitoring medium and high voltage transmission l...[Details]
introduction
With the rapid development of information technology and integrated circuits, electronic products are gradually developing towards intelligence, miniaturization, and low power con...[Details]
Preface
PLC modular programming
The modular programming method of PLC is based on the program library as the core design, which is somewhat similar to the current single-chip microcomput...[Details]
An announcement issued by the China Consumers Association about the computer radiation disturbance exceeding the standard, which is easy to affect the equipment in the power grid and finally cause ...[Details]
1. Detection of microprocessor integrated circuits The key test pins of microprocessor integrated circuits are VDD power supply terminal, RESET reset terminal, XIN crystal oscillator signal input...[Details]
2.2.2.3 Principle of resistance measurement using the bridge method
The DC double-arm bridge is also called the Kelvin bridge, which is mainly used to measure low-value resistance. The circuit diag...[Details]
1 Sensor network architecture
The architecture of a typical sensor network includes distributed sensor nodes, gateway nodes, the Internet, and user interfaces. In a sensor network, nodes are ar...[Details]
As one of the leaders in the machine vision industry, French i2S is able to provide high-quality visual inspection solutions for many high-speed production fields, including the plastic film industry,...[Details]
The test was conducted with reference to the above link. After testing, the method in the above link was completely fine. The test results are as follows: At the same time, it was verified that ...[Details]
There are two concepts of priority in STM32 (Cortex-M3) - preemptive priority and response priority. Some people call response priority "sub-priority" or "sub-priority". Each interrupt source needs t...[Details]
The Chinese version of Motorola Razr 5G has been released, and now Motorola plans to announce a co-branded version with Montblanc. Montblanc is a German luxury goods manufacturer. The Hamburg-based...[Details]
What if I change the parameter configuration? Then compile again to package errors As follows In fact, we are close to here. In the article "Transplanting s3c2440 ads program to keil (Part 2)"...[Details]
In the process of learning Linux drivers, I encountered a macro called container_of. This macro is defined in include/linux/kernel.h. First, let’s post its code: /** * container_of - cast a member ...[Details]
Reference Design for an Auxiliary Power Supply for an LCD TV or Set-Top Box Using the MAX15026
Abstract: This application note describes a reference design for building an auxiliary ...[Details]
For vehicle-mounted controllers, there are usually strict standards for CAN cycle fluctuations. The national standards are as follows. Based on the national standards, each OEM has slight diffe...[Details]
PCB Design
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