[align=left]In the process of embedded Linux learning and development, Linux operation commands will be often used. In fact, the commands in the Linux system are also programs written to achieve speci...
1. In Rhapsody, when creating a class in the object struct diagram and specifying the stereotype, why does the ? sign appear instead of the > sign? For example, ?task? instead of . This happens in bot...
10 Reset Reset is the initialization operation of the microcontroller. Its main function is to initialize the program counter PCL to 000H, so that the 16F84 microcontroller can start executing the p...
{:1_101:}Last week I posted some pictures of switching power supply boards, but I forgot to mention that I found them from various places. As a result... a lot of people thought I disassembled the boa...
void delay100us(unsigned char n) { #pragma asm more: mov R3,#48 djnz R3,$ djnz R7,more #pragma endasm } The result is: DELAY100US.C(1): warning C280: 'n': unreferenced local variable When I called it,...
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
My career has been closely tied to the semiconductor industry. From product management to content marketing, I've provided countless forecasts and predictions across a variety of roles. Whethe...[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]
From time to time, I see some audiophiles spending a lot of money or a lot of time to DIY speakers, but the results are not what they want. Below I list some of the small experiences I summarized b...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[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]
A graphics processor (GPU), also known as a display core, visual processor, or display chip, is a microprocessor specialized for image processing on personal computers, workstations, game consoles,...[Details]
Charging is essential for electric vehicles. It's crucial for battery safety and range. When it comes to charging new energy vehicles, is it better to charge when the battery is almost empty, or to...[Details]
Why do automotive electronic circuit boards require reliability cleaning? Among the various electronic circuit boards that implement various functions, which ones require cleaning and which ones do...[Details]
The "Top Ten Development Trends of Embodied Robotics in 2025" was released at the opening ceremony of the 2025 World Congress. The following is the full text.
Trend 1
First, emb...[Details]
Continued from the previous article
The design technology of non-isolated switch constant current driver chips is constantly innovating and improving. After a chip is released, existing deficie...[Details]
Momenta's self-developed assisted driving chip has been successfully launched and entered the actual vehicle testing phase. This is the first time that Momenta has "settled" its own algorithm on an...[Details]
Automotive electronics is a general term for both vehicle-mounted and onboard electronic control devices. Automotive electronics is considered a revolution in automotive technology, and its degree ...[Details]
The idea of vehicles sharing information and collaborating to make transportation safer, more environmentally friendly, and more enjoyable is incredibly appealing. The various technologies associat...[Details]