[p=30, null, left][color=#333333]Question: All four pins of the linear optocoupler P521 are connected to 1K pull-up resistors. The microcontroller input of pin 2 is 0V, but why does pin 3 output about...
Some people change the names of the things they download from the forum and post them again, or some materials are inconsistent with the names, causing many people to download a lot of useless or dupl...
When I was learning C2000 programming, I once read a main program. When I was writing it with reference, I found something abnormal. Later, I rechecked every sentence, analyzed the programming charact...
Most of the houses we live in now are elevator buildings, mainly because it is more convenient to go up and down the stairs! It can also make life more comfortable. It even helps to increase the ad...[Details]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
According to foreign media reports, researchers at the University of Surrey have developed an artificial intelligence system that can accurately locate the location of equipment in densely populate...[Details]
On August 22, according to the Ministry of Industry and Information Technology's official website, my country's first mandatory national standard for the control of hazardous substances in electric...[Details]
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Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[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]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[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 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]
Microcontroller MCU
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