Hello everyone, I've recently been studying the derivation process of various inductance and capacitance values of NFC antenna matching circuits. Referring to the official application documents of NXP...
I have three RISC-V RV32 microcontrollers (GD32VF103 Zhaoyi Innovation, CH32V103 Jiangsu Qinheng, CH2601 Ali Pingtou Ge). RISC-V (pronounced "risk-five") is an open source instruction set architecture...
Problems that should be paid attention to in the application of variable frequency speed regulation technologyJiang Dongqing, Li Rong, Zhou Haijun 2005-2-9China Cement AssociationBelow, the author dis...
Is it the parasitic inductance of the switch?Then I saw a circuit similar to RCD function in the PFC circuit. Is the black circle the RCD circuit? Why is it different from the flyback switching power ...
There is a spike after the rectifier bridge, which cannot be clamped by the varistor. It can be clamped when the phase is 90 degrees, but not when it is -90 degrees. Is it because the varistor cannot ...
Prepare to install the module with Python pip, prompt 'pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object
After searching for a long time, I felt that I couldn't find the ...
The chip is msp430f247, and the compiler is iar for msp430 V5.10, which is said to be the most stable version.
Today, I discovered several bugs all at once. . . .
First bug:
The state...[Details]
Flow measurement is the eye of industrial production. It plays an important role in ensuring product quality, improving production efficiency, and promoting the development of science and technology...[Details]
With the development of science and technology and the emphasis on efficiency, the traditional anti-theft method of retail stores using human surveillance of shopping malls is no longer suitable. I...[Details]
In this article, we will take a closer look at how to improve the efficiency of electric motors.
Traditionally, there are two directions in motor design: copper motor and iron motor. Copper mo...[Details]
The characteristics of SPAD (Single Photon Avalanche Diode) are closely related to many functions of ADAS (Advanced Driver Assistance System).
Here are some key aspects of how SPAD chara...[Details]
It uses Qualcomm QCC3040 chip module and Bluetooth 5.2 version; DSP software is deeply developed, supports Bluetooth wireless audio transmission, supports low-latency APTX-LL and adaptive ATPX Adap...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
News broke this morning (1) that in response to the U.S.’s expanded blockade of Huawei, TSMC notified equipment manufacturers that it has decided to postpone the 5nm expansion and 3nm trial productio...[Details]
01Understand oscilloscope bandwidth---rise time and signal fidelity When oscilloscope users choose an oscilloscope to make critical measurements, the main parameters of the oscilloscope are often the...[Details]
The OnePlus Ace new product online launch conference will be held at 19:00 on April 21. Currently, the two color schemes of the phone have been unveiled, with a right-angle frame design. T...[Details]
1. Install Labview's database toolkit , office access, Microsoft Jet 4.0 OLE DB Provider first , which can be downloaded from the NI official website. 2. When using a database, DB tools op...[Details]
The final results of the "OFweek Robot Awards 2022" jointly organized by OFweek, a Chinese high-tech industry portal, and its authoritative professional robot media OFweek Robot
were
offici...[Details]
The semi-annual report disclosure of listed companies kicked off in July. In the context of the overall poor economic environment, what kind of answers will the major companies hand in? How should lo...[Details]
Since Uboot2011.06 has good support for S3C6410, we use Uboot2011.06.
1. Porting environment
Host: VMWare-ubuntu
Development board: ok6410—512M nandflash, Kernel: 2.6.30.4
u-boot: u...[Details]
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