In the design of PCB multi-layer boards, four-layer boards are generally used more. So, do you know what are the design rules of PCB four-layer boards?1. Design of four-layer board:(1) Uniform spacing...
Author: Huang Gang, member of YiBo Technology Expressway Mr.As an SI engineer, PCB design engineer, or even a hardware engineer and test engineer, calculating transmission line impedance is definitely...
The same pin, STM32 is set to input mode. The oscilloscope shows a high level, but the microcontroller pin reads a low level. Has anyone encountered the same phenomenon? What is the reason?...
Signal and System Southeast University Mengqiao : https://training.eeworld.com.cn/course/4243Through the study of this course, students should be able to master the basic theories and methods of basic...
//Example of using the serial port program of msp430f5529//--------------------------------------------- uart header file-------------------------------------------------------------//#ifndef UART_H_#...
The following is the installation guide of this software, but I don't understand how to operate many things. It's really because I'm too new to it. This software is used for laser plasma physics simul...
Preface As CPU speed increases rapidly, the speed difference between CPU and off-chip memory becomes larger and larger. The method of matching CPU and external memory is usually to use cache ...[Details]
Pin Name Pin Function Description VCC Power supply for digital circuits GND land Port B (PB5..PB0) Port B is a 6-bit bidirectional I/O port with programmable internal pull-up resistors. Its outp...[Details]
Foreword: The concept of millimeter wave radar has recently become a hot new topic in the A-share market. Since this year, at least six 4D millimeter-wave radar companies have received financing, w...[Details]
In-system programmable Flash program memory ATmega88 has 8K bytes of in-system programmable Flash for storing program instruction code. Because all AVR instructions are 16-bit or 32-bit, the Flash is...[Details]
1. The market prospects of electric forklifts in my country are broad
Modern logistics industry has become a pillar industry of the national economy in the new century. It not only constit...[Details]
1. Application of clamp meter: A clamp meter is a meter used to measure the current in an operating electrical circuit and can measure the current without power failure. 1. Structure and principle o...[Details]
Wingtech Technology announced that according to the plan and current construction progress, the production part of Wingtech Technology Zhuhai Delta Optoelectronics Intelligent Manufacturing Industria...[Details]
C language is a link that must be experienced in the process of learning microcontrollers, but it does not mean that learning C language for microcontrollers requires mastering all aspects of C langu...[Details]
Japanese silicon wafer giant SUMCO said on the 12th that the supply of 12-inch silicon wafers for logic chips will become tighter in the second quarter, and the shortage of 12-inch silicon wafers for...[Details]
The Office of the Leading Group for Integrated Circuit Industry Development of Xiamen and the Xiamen Branch of the China Development Bank (hereinafter referred to as "CDB") signed the "Memorandum of ...[Details]
1 Introduction The products covered by the China Compulsory Certification (3C Certification) lighting appliance certification implementation rules include: 1. Lamps (embedded, fixed, portable) with ...[Details]
According to news on December 22, according to the Shanghai Municipal Communications Administration Bureau, China Mobile Research Institute recently organized a "5G Internet of Vehicles New Technolog...[Details]
UMC announced on the 27th that it will spend 4.858 billion yuan to repurchase all the shares of Xiamen Unigroup's 12-inch plant from mainland joint venture shareholders. UMC currently holds 69.95% ...[Details]
This series of tutorials takes AVR microcontroller as the object and introduces the rapid development method of microcontroller. Reference textbook: "Microcontroller Technology and Application Proj...[Details]
Detailed explanation of equalizer and exciter of signal processing equipment of mixing console
Both equalizers
and
exciters
are devices used to compensate for the sound quali...[Details]