[size=3][color=#000000][url=https://bbs.eeworld.com.cn/thread-492756-1-1.html]I bought a router for 399 yuan in the 618 event on JD.com[/url]. When I bought it, they promised that I would get all the ...
[color=#000][font=Arial]1.1 ARM architecture and microprocessor[/font][/color] [color=#000][font=Arial]1.1.1 ARM's business model[/font][/color] [color=#000][font=Arial]ARM (Advance RISC (Reduced Inst...
The figure shows the change of current relative to time when the 24V power supply is charged at 27.6V. Since the battery status needs to be detected, charging is stopped every 30s and the battery stat...
Source: ChinaNet For analog circuits, the design of the ground wire is a critical link. Many circuits such as digital meters, AD/DA interface boards, etc. have a distinction between digital ground an...
I want to design a switch to control a 5V power supply. The microcontroller gives it a signal to turn it off, and then it turns off again after a delay. It turns off four times in total. Each time the...
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]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[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]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
Analog Devices held a third-quarter fiscal 2025 earnings conference call. Vincent T. Roche, CEO and Chairman of the Board, and Richard C. Puccio, Executive Vice President and Chief Financial Office...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
I believe everyone has heard of memory. If your computer is slow, your experts may recommend upgrading it to a larger capacity. But what exactly is computer memory used for? Why does memory capacit...[Details]
Pure electric vehicles have experienced rapid growth in recent years, and many consumers now consider them as a top choice when purchasing a car. But do you know how to choose a satisfactory and sa...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
EVTank predicts that all-solid-state batteries will achieve small-scale mass production in 2027 and large-scale shipments by 2030. Global solid-state battery shipments will reach 614.1GWh, of which...[Details]
Compared to gasoline-powered vehicles, electric vehicles have a simpler structure, allowing for greater flexibility in the layout of various components. While electric and gasoline-powered vehicles...[Details]
Perhaps due to the stereotypes surrounding electronic products, many owners of pure electric vehicles have questions about charging. What's the correct way to charge? How can charging slow down bat...[Details]
Shock absorbers, as the name implies, are responsible for cushioning and absorbing shocks in a car. So how much do you know about shock absorbers and how to replace them in electric cars?
...[Details]