I will record the process of implementing the USB virtual serial port on the Zhengdian Atom F429 Apollo development board, hoping to help others who want to learn USB.First, I updated the source code ...
1 About Fourier TransformThe Fourier transform is such a magical transform, its basic principles and applications are everywhere in textbooks and on the Internet, so I will not go into details here to...
The negative feedback amplifier circuit can be divided into voltage feedback and current feedback from the sampling method of the output end, and can be divided into series feedback and parallel feedb...
With the development of 3G technology, the processor speed is required to be higher and smaller, and the development of DSP can just meet this development requirement. Because other traditional proces...
Introduction: Programming of buttons and digital tubes Input mode of AVR IO port and selection of pull-up resistor Structure statement and query method of buttons Programming of digital tube Basic pr...[Details]
The matrix keyboards I have seen generally have two identification methods: scanning method and line inversion method. Taking a 4X4 matrix keyboard as an example, the scanning method is to set each r...[Details]
Abstract: Since many patients need multi-channel comprehensive infusion therapy, most hospitals have adopted infusion pumps or syringe pumps to improve the quality of infusion and reduce the difficul...[Details]
It is undeniable that whoever masters the power battery technology will have absolute say in the new energy vehicle industry chain. After all, the battery is the core component of new energy vehicle...[Details]
August 12th news: In the Honor Magic3 series released tonight, Honor’s new computational photography platform was launched for the first time, defining the development direction of Honor’s future ima...[Details]
Apple today announced that the App Store now offers search suggestions, a new feature designed to make it easier to find what you're looking for when you're looking for new apps or games. Users will ...[Details]
1. Origin of the problem
1. Phenomenon
In net_send_packet() of the linux4.3.2 network card driver cs89x0.c, there is:
1 /* Test to see if the chip has allocated mem...[Details]
Since 2015, artificial intelligence has become a market hotspot, and related industries have been officially put on the national strategic level. With the introduction of policies and measures in var...[Details]
Even though the rapid development of new energy and smart cars has led to the gradual elimination of systems powered by internal combustion engines, and many powertrain system sensors around internal...[Details]
According to NetEase Technology, MediaTek executives responded to questions about cooperation with the new Honor during a media interview after today's press conference. MediaTek executives said th...[Details]
1 Introduction DC vacuum melting is a process that must be adopted for melting rare metals and high-performance alloy steels. Therefore, the design of vacuum arc furnaces and supporting power sup...[Details]
On August 8, at the Black Hat cybersecurity conference held in Las Vegas on Wednesday, a research team from Pennsylvania State University announced its latest research results, discovering a series...[Details]
In piezoelectric materials, the coupling of current and voltage to elastic displacement and stress is
{T} = {S} - {E}
{D} = {S} + {E}
where:
{T} = stress tensor, = elastic sti...[Details]
The semiconductor industry has always been a globally competitive industry. All semiconductor companies around the world compete on the same platform. Good products always stand out and occupy a cert...[Details]
The content of this article mainly focuses on the connotation, function, scale, perspective and data source of autonomous driving vehicle testing scenarios.
01. Scenario elements and sce...[Details]
Embedded System
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