Reprinted from: https://zhuanlan.zhihu.com/p/407878981
Today I read a story about a Swedish programmer who, in just six months of his spare time, single-handedly built something that would take an ave...
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?...
//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...
On April 15, the groundbreaking ceremony for the construction project of Envision Smart Energy Storage Equipment Manufacturing Industrial Base in Dangchang County was held. County Party Secretary Wang...[Details]
With the development and popularization of wireless charging technology, more and more electronic devices, such as mobile phones, tablet computers, smart watches and other mobile terminals,...[Details]
I am talking about the microcontroller C. The delay in the book is like this, such as:
void delay02()
{
unsigned char i,j,k;
for(i=2;i 0;i--)
for(j=200;j 0;j--)
...[Details]
In 2022, as multimodal interaction and personalized interaction are developing vigorously, improving interaction accuracy will become the focus of many manufacturers. Human-machine co-driving, comput...[Details]
On June 19, with the success of the one-button black start experiment of the "Edge Control Service Center", Hebei's first virtual substation has achieved full functional operation and was officiall...[Details]
For a long time, automotive functional safety has been mainly the responsibility of Tier 1 suppliers and automotive original equipment manufacturers (OEMs). Today, with the increasing complexity of...[Details]
At first, we simply thought that parallel power drive uses overlapping time, so in order to prevent short circuit, we should use reactor filtering. Conversely, it is also possible because reactor filt...[Details]
As the prices of upstream materials continue to rise, innovation in power battery materials is urgent. At present, the promising solid-state battery has attracted the attention of the industry, and m...[Details]
0 Introduction
Indirect frequency synthesizers composed of phase-locked loops play a very important role in the field of wireless communications. The output signal of a phase-locked frequency ...[Details]
The inverter changes the output frequency and voltage at the same time, that is, it changes the n0 on the motor operation curve, so that the motor operation curve moves down in parallel. Therefore,...[Details]
Recently, the Anhui Regulatory Bureau disclosed the listing guidance filing information of Hefei Jinghe Integrated Circuit Co., Ltd. (hereinafter referred to as Jinghe Integrated). Its listing guidan...[Details]
On August 21, Jufei Optoelectronics released its semi-annual report stating that the company's operating income in the first half of the year was 1 billion yuan, a year-on-year decrease of 12.75%; th...[Details]
According to news on March 4, Samsung SDI has finalized an investment plan to build a third battery factory in Hungary, according to TheElec. Samsung SDI is expanding its existing second factory in H...[Details]
1 Introduction
This paper introduces a real-time monitoring system based on ARM, which combines the 32-bit RISC structure ARM core processor with a real-time multi-task embedded system, and ad...[Details]
Introduction
A multi-sensor ultrasonic system with up to 32 airborne ultrasonic transducers in the frequency range 40-200 kHz has been developed for applications in the field of robotics. T...[Details]