The figure below is a flyback multi-channel output circuit. If both 5V and 3.3V are output normally,
The voltage-dividing resistors R1 and R2 will bias the transistor Q1. If Q3 and Q2 are in the off s...
2.3 Compile the kernel separately, and uboot generates many files. Which one should I use?
answer:
The kernel compiled file is the zImage file in the ~/MYiR-imx-Linux/arch/arm/boot/ directory.
The fil...
I'll attach two pictures first to help you raise doubts.This is the RF signal routing with regular cut corners.The frequencies are all in the LS bandThis is a general arc trace RF signalThe frequencie...
The picture shows the maximum and minimum current of the EN enable pin of an LDO when EN = 0. My questions are as follows:
1) Is this maximum current and minimum current the maximum/minimum current co...
The previous post disassembled the small speaker and preliminarily determined the fault. For details, see the following link
Bose small speaker disassembly
It was my first time disassembling it, and I...
Laser cutting has the advantages of high cutting accuracy, fast cutting speed, low thermal effect, no pollution, no noise, etc. It has been widely used in the automotive, shipbuilding, aerospace and ...[Details]
The upgrade of perception algorithm is the key to the transition from L2 to L3 intelligent driving system. Compared with the traditional 2D+CNN algorithm, the advantages of BEV+ Transformer algorit...[Details]
Many of the problems with blood pressure monitors from International Electronics Business News are related to
the power system
. The power system is as important as other core systems. It is ...[Details]
Beijing, China (July 11, 2023) - GigaDevice, the industry's leading semiconductor device supplier, announced today that it will bring more than 50 exhibits to the 2023 Munich Shanghai Electronics Sho...[Details]
As smart cards are increasingly used, the security of smart card application systems is very important. Smart cards are generally considered to have high security , but with the emergence and develop...[Details]
Recently, Japanese Prime Minister Fumio Kishida visited Kumamoto Prefecture today and went to TSMC's Kumamoto factory for inspection. He exchanged views with TSMC President Wei Zhejia and expressed...[Details]
Before making it, make sure you have the following tools on your machine: bison flex build-essential.
build-essential is mainly used to provide necessary compilation resources such as GCC and GLIBC...[Details]
Intel released its Q1 2020 financial report on its official account. The report shows that Intel's revenue in the first quarter of 2020 was $19.8 billion, a year-on-year increase of 23%. Among them, ...[Details]
Celebration site
On March 6, 2024, the completion ceremony of the new headquarters of Beijing Honghui International Energy Technology Development Co., Ltd. (hereinafter referred to as "Hon...[Details]
introduction
Aircraft lighting is an important branch of lighting technology in aviation flight technology. Aircraft lighting technology in different periods reflects the characteristics of li...[Details]
The same IO port of the microcontroller outputs two groups of arrays. Based on 80C51, because there are no extra ports available, the same IO port can only be used to output two groups of arrays, wit...[Details]
As the pace of the green energy revolution continues to accelerate, energy storage technology applications, as a key force in promoting the development of new power systems, are increasingly attrac...[Details]
IT Home reported on March 5 that yesterday, Google Flutter 2 was officially released. With Flutter 2, developers can use the same code base to build native apps for five operating systems: iO...[Details]
——Troubleshooting methods for thyristor main circuit and trigger pulse forming circuit
1. Brief analysis of the working principle of the main circuit
The main circuit structure of Z...[Details]
On February 10, data released by the World Intellectual Property Organization (WIPO) in Geneva showed that my country's PCT international patent applications once again ranked first in the world in 2...[Details]