When the lwip protocol stack sends a data packet, it will decompose a packet into several buffers, and then use these buffers to form a list. But I don't know what the principle of its decomposition i...
This time I want to make dual drumsticks, and the Android app needs to make some modifications. It should have been a simple thing to modify, but it took several hours. Because the computer hard drive...
Hello: Recently, due to the needs of a project, the client sends a request data, and the server makes different responses based on the data after receiving it. I wrote a server in Java, and the reques...
When compiling Qingke WIFI, I found that the RAM was very low. I looked at the MAP file:startup_stm32f2xx.o actually occupies 98304! ! I don't understand...
I feel that most of the questions here are from students. I hope everyone can develop a habit of posting together and summarize the solution or process of the problem at the end. It would be bad if th...
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]
There are more and more electric vehicles. Recently, I have heard some news about electric vehicles performing poorly in winter. I would like to briefly introduce whether heat pump technology is mo...[Details]
With the gradual popularization of new energy vehicles in recent years, more and more people have been able to access and purchase electric vehicles. The structure of electric vehicles is composed ...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
With the improvement of China's supporting infrastructure and the accumulation of technology and capital, demand for industrial automation and intelligent applications of machine vision technology ...[Details]
Since the beginning of summer, high temperatures have continued to intensify, and the national electricity load has frequently broken records. The latest data from the National Energy Administratio...[Details]
Quantum dots are a cutting-edge nanomaterial. Using quantum dot materials in backlight sources has four unique advantages:
1. Longer lifespan - Since mature inorganic materials are used, the f...[Details]
Simply put, CTP for power batteries means the cells inside the battery are directly integrated into the battery pack. This is like having different contents on both sides of an A4 paper, but integr...[Details]
The idea of vehicles sharing information and collaborating to make transportation safer, more environmentally friendly, and more enjoyable is incredibly appealing. The various technologies associat...[Details]
A research team from Pennsylvania State University and the University of Munich has demonstrated the first-ever use of sound waves to control microrobots. These robots, coordinated through sound wa...[Details]