For example, there are two types of multimeters, the Chinese Uni-T and the American Fluke. Although the accuracy of the Uni-T is higher than that of the Fluke (as stated in the manual), it is not as e...
01. Use LDO regulatorStandard three-terminal linear regulators typically have a dropout voltage of 2.0-3.0V. They cannot be used to reliably convert 5V to 3.3V. Low Dropout (LDO) regulators, which hav...
[color=#333333][font=Arial, Helvetica, sans-serif][size=12px]I used other microcontrollers before, but never AVR. I changed my job this time, and there happened to be a project that needed some minor ...
That is to say, it is just an ordinary LCD screen as the UI interface, without touch operation, and physical keys are used to control the UI menu and buttons. Can QT be used in this case?...
I have a 54M wireless broadband router. After configuration, the download speed of Thunder was about 30k at the beginning. It was connected to the 2m network of China Railway Communications Corporatio...
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[Details]
When discussing autonomous driving technology, there are often two extremes: on the one hand, there's the vision of "fully autonomous driving," while on the other, there's concern about potential s...[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]
There are basically three causes of spontaneous combustion of electric vehicles: The first is that the battery components are punctured or suffer fatal damage due to a collision accident, and part ...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[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]
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]
Plug-in hybrid vehicles (PHEVs) utilize two powertrains. Their pure electric range is typically inferior to that of pure electric vehicles, often reaching less than half that. Currently, mainstream...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
According to the latest financial report data, thanks to its leading position in advanced technology, TSMC's profit performance in the second quarter of 2025 was extremely impressive, with net prof...[Details]
This new standardized, pre-integrated computing platform is designed to accelerate chip development, reduce development costs, and provide scalable software to power the AI-defined car.
...[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]