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.
Regarding the selection of signal input mode of power amplifier. In professional audio engineering, we often encounter problems such as signal parallel connection and bridging. First of all, we must c...
I remember that I first came into contact with microcontrollers in 2002. At that time, the only microcontrollers I knew and used were AT98C8051 and AT98C8052. I had only heard of the 51-type microcont...
[i=s]This post was last edited by bobde163 on 2020-11-20 12:10[/i]Today I need to use Fluke F17B+ multimeter to measure uA current, which is different from the measurement of another Uni-T UT890C+. Th...
First of all, I declare that I am a rookie. Although I have worked for some years and have worked very hard, I am still a rookie. There is a cycle that makes me very distressed. When I first joined a ...
How can the compensation circuit R' be equal to R1 in parallel with Rf? When the input signal is equal to 0, are both the input and output terminals equivalent to being grounded?...
The concept of interruption
M16 external interrupt
The concept of timer
M16 timer
Interrupt mode using timer
Interrupt concept
1. During the program running, unexpected emer...[Details]
Earlier news said that Apple is developing a new iPad Pro that will use an upgraded "A14X" chip. In the fifth iOS 14.5 beta released by Apple today, signs of this upcoming chip have been found....[Details]
Introduction In many electronic systems, it is necessary to provide bipolar (positive and negative) voltage or current to a particular type of load. Loads that require bipolar voltage/current includ...[Details]
Digital control ICs have many advantages, such as smaller die size, fewer passive components, and lower cost. Digital control can use the power management bus (PMBus?) to complete system configuratio...[Details]
According to foreign media reports, Dr. Hyoungchul Kim's research team at the Energy Materials Center of the Korea Institute of Science and Technology (KIST) has successfully developed a sulfide-base...[Details]
According to the news, the 2023 Kia Niro EV sold in South Korea uses a ternary lithium battery from CATL with a capacity of 64.8/68kWh (available/total energy). This battery has now been disassembled...[Details]
Since the release of GB38031 "Safety Requirements for Power Batteries for Electric Vehicles" yesterday, the 5-minute thermal runaway warning and escape time requirement has officially become a regul...[Details]
In the DC motor speed control project mentioned last time, the T2 timer of the S52 microcontroller was used to generate a PWM wave signal to control the speed of the DC motor. Although the ave...[Details]
1. Set the file system that the development board runs first. After the source code is compiled, Qtopia is run by default. The following is how to run QtE4.7 directly. Here you need to modify the "ro...[Details]
Parameters of the special tester for economic operation of electric motor
This type of detector has the advantages of large motor parameter memory capacity, high measurement accuracy, simple operatio...[Details]
According to statistics from IHS Markit, from 2016 to 2018, due to the development of the mobile phone industry, the CMOS imaging and optoelectronics market grew significantly, with most increases ex...[Details]
Apple has been working on ways to allow "Apple Glass" style headsets to perform chroma keying, or replacing solid color backgrounds with Apple AR images. An Apple U.S. patent application titled...[Details]
According to South Korean media BusinessKorea, the Korea Trade Commission (KTC) has ended its investigation into Apple's patent infringement allegations because the Korean owner of the patent has rea...[Details]
Light up an LED using assembly
1 See the schematic diagram GPK4=0, LED is on GPK4=1, LED is off
2 How to make GPK4 output high and low levels (see the chip manual and operate the register...[Details]
Analogue and Mixed Signal
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