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.
Battery test equipment is used to verify the functionality and performance of battery packs prior to shipment to customers. This technical note outlines the three main functional tests performed by ba...
1. Unit gain bandwidth GBUnit gain bandwidth is defined as: when the closed-loop gain of the op amp is 1, a constant amplitude sinusoidal small signal is input to the input of the op amp, and the clos...
In the program of the MM32 eMiniBoard development board, there are related functions of Systick. By combining it with the OLED screen, a second timer can be realized, and its running effect is shown i...
The source program is as follows: /* * main.c * * Created on: August 18, 2018* Author: LYJCD */ //################################################################################### // // FILE: Exampl...
Reprinted from: "Using Python to control hardware 46-low voltage startup and reliability testing"During the product development phase, it is sometimes necessary to understand whether the device can st...
1 Overview
DS75LX is a high-precision serial digital output temperature sensor. The measured temperature data can be output through a two-wire serial bus (compatible with I2C bus). The operati...[Details]
SVPWM control is a method of controlling three-phase AC motors, which can achieve efficient and precise control. Due to its fast response, low noise, high precision and other characteristics, it ...[Details]
According to foreign media GSMArena, Motorola launched the Motorola G50 5G mobile phone earlier this year. The latest news shows that Motorola is about to launch a G50 5G mobile phone code-nam...[Details]
Today, Xiaomi announced that the global sales of its three high-end smartphones, Xiaomi 11/11 Pro/11 Ultra, have exceeded 3 million units. In addition, this series of smartphones is the most po...[Details]
In the teaching of "Computer Interface Technology", the chapter on hard disk interface adapter is difficult to learn. It mainly involves the reading and writing of sectors by the I/O control layer and...[Details]
1. What is 51 microcontroller The 51-core microcontroller refers to the collective name for microcontrollers that are compatible with Intel's 8051 instruction system; in the decades since its birth, ...[Details]
The use of tools and energy power in the development of human society is a sign of the degree of development. Generators and motors have separated human society from the scene of human and animal pow...[Details]
1 Introduction
The single-ended forward converter topology is widely used in the design of independent offline small and medium power supplies due to its simple structure, reliable operation an...[Details]
The well-known mobile phone review organization DXOMARK posted on Weibo yesterday criticizing the iPhone 12 Pro Max for its poor photography capabilities. DXOMARK said their first impression of the n...[Details]
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The stm32 standard peripheral library is the peripheral driver for the full range of stm32 chips. With it, we can greatly accelerate the development of stm32.
First, downl...[Details]
Dear friends, when you use network cables to connect various industrial control equipment, each IP address network segment is different. This machine is in one network segment, and the next machine...[Details]
1. Read NorFlash We first implement the function of reading flash. By default, we read 64 bytes each time, and then print out the read content, with the value printed in the front and the characters ...[Details]
Judging from recent news from multiple sources, the first batch of new Snapdragon 898 flagship phones from domestic manufacturers have basically been finalized and are ready to go. According ...[Details]
1 Introduction
Online testing used to be the leading technology for PCB testing after assembly and occupied an absolute advantage in the market. However, with the development of electronic assemb...[Details]
In the rapid development of the semiconductor industry, silicon carbide (SiC), as a new type of wide bandgap semiconductor material, is gradually becoming an important development direction of the ...[Details]