Phenomenon:I have a board with D1 soldering leaked. When testing, I quickly plugged in and out the power supply, and occasionally the MCU could not start. After a simple check and analysis, it was fou...
Yongsi Electronics went public today, and the new shares rose by 70%. It was quite normal, but of great significance. I saw in the news a while ago that it was in a big fight with Changdian. It was sa...
The function is that after u1-vout (output is too high) overcurrentq2d turned it off immediately
lock is pulled high
When reset pulls lock down, protection can be restored
The general manual of the ch...
The +7V on the left is a common power supply. The current is relatively small, but it is always on. The +5V on the right is normally suspended, but sometimes it is inserted and the current is relative...
[i=s]This post was last edited by Wuzu Simeng on 2022-11-16 22:10[/i]I received the weight loss tool very quickly. I didn’t have time to update the unboxing post a few days ago because my computer bro...
Verilog wrong questions collection (1)
1. Always statement erroralways@( posedge sclk or nss)always@( posedge sclk or posedge nss)In the always statement, you cannot use both edge triggering such as p...
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
Applying fieldbus technology on new beer production lines is the first choice for large beer companies with strong management level and technical strength. Guangzhou Zhujiang Beer Group Co., Ltd. i...[Details]
Globally, the market for airbags and other restraint systems consists of different geographical regions, each with its own characteristics and needs. North America first introduced airbags in mass-...[Details]