I have a 14-year-old laptop. I changed jobs and needed to debug outside. The laptop was indispensable. The battery of this 8-year-old computer couldn't hold up a year or two ago. It shut down automati...
Sound pressure, sound intensity and sound powerWe all know that the three parameters that describe sound are sound pressure, sound intensity and sound power. There is a certain relationship between th...
1. Task Requirements
Use a 2-digit digital tube to realize a 30s countdown display. When the start button is pressed, the digital tube display data starts from 30 and decreases by one until it reaches...
Some time ago, I was using TouchGFX Designer to create a project. At that time, I was using 4G Internet access at home, and the creation often failed. Sometimes I spent the whole day downloading routi...
1. Background:
In many cases, due to limited hardware resources, but serial communication is needed, you can consider using an analog serial port;
2. Prerequisites:
To achieve a specific bps serial po...
[size=4]Finally I have some free time, and suddenly I remembered a long-lost wish, which is to port ffmpeg and mame to arm or dsp platform by myself. [/size] [size=4] So I found the website of ffmpeg ...
Do you still remember the magical machine "Gaishi Rabbit" back then? It is reported that Galaxy SⅡ is Samsung's flagship mobile phone released in 2011. In that era when domestic mobile phone...[Details]
Recently, Guangxin Materials responded to investors' questions on an interactive platform, saying that the company's photoresist development project is under continuous development and operation in t...[Details]
Germany's car sales data for May has not yet come out, but Germany has finalized its economic stimulus plan for 2020-2021. It seems that Volkswagen has made the right bet. The German government wants...[Details]
Earlier, there were reports that due to overcapacity of advanced processes, TSMC plans to shut down some EUV lithography machines by the end of this year to save electricity costs. TSMC also responde...[Details]
Britain’s top antitrust body reportedly said it was discussing Nvidia’s bid for Arm with U.S. regulator the Federal Trade Commission (FTC) on a weekly basis, suggesting the massive deal will face int...[Details]
STMicroelectronics announces change of stock code listed on Euronext March 21, 2023, China - STMicroelectronics (ST;), a world-leading semiconductor company serving multiple electronic applications...[Details]
The latest report from market research firm Canalys shows that despite the outbreak of COVID-19 in the first quarter of 2020, global smartwatch shipments increased by 12% year-on-year to 14.3 million...[Details]
4.3 Letter 1 Introduction
Operational amplifier (op-amp) is abbreviated as op amp, which is named because it was originally used for mathematical operations of analog quantities. It is a dire...[Details]
1. Delay Program Analysis
In the last class, we already know that the symbols R7 and R6 in the program represent RAM units, which are used to store some data. Now let’s take a look at the meaning of ...[Details]
HLK-LD2451 is the latest 24G radar module launched by Hailingke, which is dedicated to detecting vehicle status. With a price of less than 30 yuan, it can realize real-time perception of approachin...[Details]
As an emerging charging method, wireless charging of electric vehicles has attracted wide attention in the industry in recent years. Wireless charging is a contactless charging method, where there is...[Details]
I recently used an MPLAB plug-in and found it quite convenient. I would like to share it with you: Code Configurator is a free graphical programming environment that can automatically generate C code...[Details]
Today I will share a more practical skill, which is to use a multimeter to identify the polarity of transistors. Although the corresponding pin types of transistors can be remembered by rote, this ...[Details]
1. What is a micromotor actuator?
The micromotor actuator is a small intelligent electronic control system component and one of the structural components of the entire automotive micromotor ...[Details]
On October 27, the 2024 China Industrial Transfer Development Matchmaking Event (Gansu) New Energy Equipment Manufacturing Industry Special Matchmaking Event was held in Lanzhou. Cheng Xiaobo, member ...[Details]
Power technology
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