Generally, the order of a four-layer board is: signal layer - ground layer - power layer - signal layer;
In order to ensure the minimum loop path, the stratum needs to remain a complete piece;
So, doe...
404724[/attach][/url][/align] [font=微软雅黑][size=3][align=center][color=#0000ff][b]March 20-22, 2019[/b][/color][/align] [align=center][color=#0000ff][b]E5 Hall 5543 · Shanghai New International Expo Ce...
[i=s]This post was last edited by chineseboyzxy on 2022-9-18 21:21[/i]The courier arrived on Sunday, which is great. The standard anti-static bag packaging, the small paper box is quite sturdy, and it...
There is a contempt chain about C language, JAVA and other languages used in the programmer community. Similarly, in the eyes of PCB design engineers, CAD software also has the same B-tearing link. Th...
1. Introduction This system is mainly composed of AT89C51, DS18B20 temperature module and LCD1602. The general principle is that the temperature data collected by DS18B20 is transmitted to P3.3/INT1 ...[Details]
When it comes to smart blood pressure watches, many people will first think of Huawei Watch D. This is Huawei's first professional health watch, and once launched, it has attracted widespread atten...[Details]
This week, heavyweight IC design groups including Elan, MediaTek, Realtek, Parade, and Creative will hold earnings conferences. Among them, MediaTek's outlook for the second half of the year and the ...[Details]
Recently, Shenzhen BYD Power Battery Co., Ltd. and Kaiwo New Energy Vehicle Group Co., Ltd. held a strategic cooperation signing ceremony in Nanjing. The two parties established a long-term strategic...[Details]
Don't be fooled by their appearance, they are all capacitors. Dilingling, I have a new lesson today. Following the last diagram of the working principle of power supply, today we will have anothe...[Details]
1 Introduction The stability of the operating status of electronic equipment directly affects the production of modern enterprises. The high maintenance costs after equipment failure and the losses c...[Details]
Working principle of automotive relays
Relays are an automatic switching device consisting of an electromagnetic mechanism and at least one contact. Among them, the electromagnetic mechanism ...[Details]
Basic application circuit of LM2575
The figure shows the basic application circuit of LM2575-5.0, with 4 external components, the maximum input voltage is 40V, the minimum input voltage is 7.0V...[Details]
In recent years, digital video surveillance systems have been widely used in various fields such as banks, highways, and buildings. In digital video surveillance systems, OSD (On Screen Display) te...[Details]
1. Introduction
At present, unmanned aerial vehicles mainly fly in the lower troposphere and stratosphere. The atmospheric temperature in this area varies complexly. If the atmospheric temperature ...[Details]
First, look at the interrupt vector table in iom16.h in iar
/* NB! vectors are specified as byte addresses */
#define RESET_vect (0x00)
#define INT0_vect (0x04)
#define...[Details]
1. Background of Changes in Embedded System Design Methods
The evolution of embedded system design methods is generally driven by application requirements and IT technology.
1 With the cont...[Details]
Underwater cleaning is a device used for underwater cleaning, mainly used for underwater cleaning in water places such as swimming pools. The particularity of the water area determines that t...[Details]
On May 14, Samsung and SK Telecom launched the Galaxy A Quantum phone in South Korea, the world's first 5G smartphone with a quantum random number generator (QRNG) chipset and exclusive to SK Telecom...[Details]
STMicroelectronics (ST) recently announced its Q3 2024 financial report, with total revenue of US$3.25 billion, a year-on-year decrease of 26.6%. Net sales revenue from OEM and agency channels decr...[Details]
GD32 MCU
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