Application of Fast Fourier Transform[size=14px][size=3]Author: mxd ([email=fpgamxd@sina.com][font=Times New Roman][color=#0000ff]fpgamxd@sina.com[/color][/font][/email])[/size] [size=3][font=Times Ne...
[b][font=PingFang SC, Hiragino Sans GB, Microsoft YaHei, WenQuanYi Micro Hei, Helvetica Neue, Arial, sans-serif][size=4][color=#222222]Hello everyone, welcome to the second Internet of Things Technolo...
[size=5][color=#0000ff]Today I disassembled a device, which is a radio frequency power amplifier. I wanted to know what kind of tubes were inside. When I disassembled it, I found that the models insid...
I just learned STM32. When using IO ports, I set PA8-PA15 to pull-up input. 8, 9, 10, 12, 13, 15 are normal. When the pins are empty, the level is about 3.2, but the level of 11 and 14 is very low. Wh...
In winter, static electricity is very strong. Static electricity discharge within a certain range will cause the microcontroller to reset. At first, I couldn't find the cause. Later, I carefully analy...
This electronic watch adopts Japanese design. The dial consists of four columns of numbers from 0 to 9, the first two columns represent hours, and the last two columns represent minutes. When you pres...
On August 24th, Jin Yuzhi, CEO of Huawei's Intelligent Automotive Solutions BU, announced the first automotive application of Huawei Qiankun's unique Limera technology. This technology eliminates t...[Details]
As more and more consumers purchase new energy vehicles, the safety of electric vehicles has become a major concern. This has been particularly prominent following a series of electric vehicle fire...[Details]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
Smartphones can be incredibly unintelligent. For example, consider an office full of people, each absorbed in their work. Suddenly, the silence is broken by a burst of loud pop music. A colleague's...[Details]
With the development of vehicle technology, there are more types of cars. Cars are divided into hybrid, pure electric vehicles, and fuel vehicles. For hybrid cars, they are divided into plug-in hyb...[Details]
According to foreign media reports, Apple is secretly evaluating several artificial intelligence hardware concepts, including smart home displays, security devices and a desktop robot, of which the...[Details]
The transition to SDVs (software-defined vehicles) involves more than just replacing parts; rather, it involves the organic connection of various elements, from internal vehicle systems to ext...[Details]
While aberration theory is a vast subject, a basic understanding of some fundamental concepts can make it easier to understand: spherical aberration, astigmatism, field curvature, and chromatic abe...[Details]
System Principle
According to the average imbalance rate of the branch three-phase phase line load and the average value of the branch phase line current, the adjustment of the phase line load...[Details]
introduction
At present, all major countries in the world are vigorously developing marine affairs. However, there are various uncertainties and unknown factors in the ocean. Underwater robots...[Details]
Do electric cars emit radiation? The answer is: yes! In fact, electromagnetic radiation is ubiquitous in our lives. The Earth itself is a large magnetic field. The interaction between electric and ...[Details]
In recent years, portable electronic devices such as mobile phones, digital cameras, music players, tablets, ultrabooks, and laptops have become almost a necessity, raising safety concerns. Besides...[Details]
China's tightening control over rare earth elements (REEs) is reshaping global supply chains and triggering ripple effects across high-tech industries, according to a detailed analysis released by ...[Details]
Many battery-powered systems and Internet of Things (IoT) applications—such as smart meters, smart health products, video doorbells, robotic toys, personal hygiene products, and electronic locks—in...[Details]