A: According to the frequency to be suppressed, the inductance of the common mode inductor and the resonant frequency of the Y capacitor are used to determine it. In practice, the component distributi...
With the help of the ADC inside the STM32L452 and an OLED screen, a simple digital voltmeter can be formed. The display effects are shown in Figures 1 to 3.The channel used for A/D acquisition is ADC_...
These manuals come with the Gaoyun Yunyuan IDE after installation. There are various versions in English, Chinese and Japanese. The information is very good. Friends who have not received the board ye...
IDF spent several days installing it, and today I finally got the LED to light up.
1. Install IDF. The installation tutorial is in: Standard Setup of Windows Platform Toolchain - ESP32-S2 - — ESP-IDF ...
At present, any portable electronic system requires low cost, small size and light weight. When designing battery charging and power supply circuits for on-board subsystems, the above functions can...[Details]
The main technical performance indicators that the switching power supply design should meet are: output/input voltage ratio (UO/UI), output power PO, converter efficiency η, output voltage ripple ...[Details]
License plate recognition and charging system manufacturers, from the current market point of view, because the Lanxite license plate recognition system can enable vehicles to enter and exit the park...[Details]
Since CATL released the Kirin battery in the middle of last year, the market and consumer expectations for it have continued to rise. Recently, in the face of multiple questions from netizens, CATL’s...[Details]
According to foreign media reports, as wireless headphones become more and more popular among busy people, drivers are also keen on this type of headphones. However, in many states in the United Stat...[Details]
As the global wireless headset business scale gradually expands, Apple, as the industry leader, is also constantly improving and developing AirPods, and it is expected that the new AirPods will have ...[Details]
Introduction Wirewound resistors are usually rated for continuous power, which is not sufficient for electric vehicle applications. A typical application is precharging and discharging large capaci...[Details]
On June 25-26, the 2021 Fifth Jiwei Semiconductor Summit with the theme of "The Heart and the Chip are in the Same Origin, and the Changes are Like Kunpeng" was officially held in Haicang, Xiamen. In...[Details]
Flat Panel Displays (FPDs), including Plasma Displays (PDPs) and Liquid Crystal Displays (LCDs), are becoming increasingly popular. With this, there is a natural concern about their production efficie...[Details]
Redmi Mobile’s official Weibo account previews: After the college entrance examination, Redmi has another important news. Pay attention and mark the key points. See you tomorrow, college entran...[Details]
Intel® Core™ Ultra and fifth-generation Intel® Xeon® Scalable processors enrich Intel's excellent AI product portfolio, accelerating the benefits of AI to thousands of industries, and ushering in the...[Details]
If the 60,000 yuan Pro Display XDR is just an immature exploration of Apple in the field of Mini LED, then the new 12.9-inch iPad Pro released in the first half of this year can be said to have taugh...[Details]
Recently, researchers from the University of Florida, the University of Michigan, and the University of Electric and Communications Technology in Japan discovered a security vulnerability. Researcher...[Details]
Apple iPhone 14 Pro new color scheme exposed, the former gold color scheme returns. According to the information currently exposed, the new iPhone 14 series will continue to have 4 models. Unlike t...[Details]
Many Chinese infrastructure and operations (I&O) leaders hope to use automation technology to simplify and speed up the configuration, management and expansion of IT infrastructure resources when...[Details]
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD
