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Smart cards can be divided into three categories according to their security level: memory cards, logic encryption cards and CPU cards, among which CPU cards have the highest security level. As can be...
This code is to detect the 4*4 matrix keyboard. I use the inversion method, and then look up the table to get the specific key_number. When the keyboard is pressed, the corresponding number is display...
TI Cup 2019 National Undergraduate Electronic Design Competition Question Analysis and Technical Exchange Seminar : https://training.eeworld.com.cn/course/5726TI Cup 2019 National Undergraduate Electr...
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]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[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]
The structure of an LCD TV primarily consists of the LCD display module, power module, driver module (primarily including the main driver board and tuner board), and keypad module. LCD display modu...[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]
Definition of interactive projection system:
Interactive projection systems, also known as multimedia interactive projection, are available in floor, wall, and tabletop interactive projection....[Details]
Smartphones have become essential digital devices, and the growing number of smartphone-centric applications is enriching people's lives. As users, they desire a better app experience and a wider r...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[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]
Recently, Joyson Electronics has made positive progress in the core technology research and development of the robot's "brain and brain" and key components, and launched the industry's first integr...[Details]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[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]
At present, the most troubling thing about pure electric vehicles as new energy sources is not only the range anxiety, but also the disadvantage of long charging time. At present, ternary lithium b...[Details]
The power transmission system between a car's engine and drive wheels is called its drivetrain. It ensures the necessary traction and speed under various driving conditions, and coordinates these t...[Details]
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