In 1983, the national standard GB/T 3935.1-83 gave the definition of standard, which is the unified provisions for repetitive things and concepts. It is based on the combined results of science and te...
[font=微软雅黑][size=4]At the 2018 Mobile Communications Conference, which just concluded, "5G" became the hottest keyword. Many 5G products developed in China were unveiled at the exhibition, such as Hua...
I am a beginner of 8051. I have read a lot of books about the principles of 8051 recently. I have a basic understanding of the basic principles of single-chip microcomputers. I want to do some experim...
Square wave pulse counting, using INT1 to count, T0 timer processes the number of square waves every 1s, calculates the frequency, and sends the number through the serial port. Problem: LED1 flashes, ...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:49[/i] The news of Sony Mobile's massive layoffs in China yesterday made people sigh. With Samsung's loss of power in China, other inte...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[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]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
"We have successfully launched the first version of our dedicated chip for EMB brake-by-wire. Second-generation samples have also been successfully completed, and we are actively planning a third-g...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
Facial recognition, a biometric technology that uses facial features to authenticate identity, has rapidly become a global market hotspot in recent years as the technology has entered practical use...[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]
Power technology
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