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April 15th is the first National Security Education Day after the promulgation and implementation of the "Cryptography Law of the People's Republic of China". Cryptography technology plays an importa...[Details]
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Affected by the continuous high temperature and high humidity weather, the load of Beijing power grid has been rising steadily. At 12:13 on July 24, the maximum load of Beijing power grid rose to 2...[Details]
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Last night, Sony PlayStation officially announced four new color schemes for the DUALSHOCK4 wireless controller, priced at 420 yuan, which will be available on September 6. Officials said that th...[Details]
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The automatic switch in the 400Hz low pass Butterworth filter circuit is used for the cut-off frequency of 400Hz, which can be expanded by changing the proportional value of the frequency.
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01 丨 Background reasons
The lights in the car were not working due to an intermittent short circuit, so the customer bought a cheap fuse to replace the original 10A fuse. However, the wiring h...[Details]
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As open-loop and closed-loop Class D amplifiers become the preferred choice for designers of consumer audio electronics, different ways of looking at the effects of power supply ripple are needed to a...[Details]
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According to a telegraph report a few days ago, Nvidia warned for the first time that if regulators insist on blocking the deal, it may lose the $1.25 billion (950 million pounds) down payment paid t...[Details]
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On the morning of May 21, technology company Google updated the "Feature Overview" page of the Android 11 system, showing the icons displayed when an Android smartphone is connected to a data n...[Details]
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On September 13, it was reported that after a lithium battery using a traditional commercial separator has been cycled a certain number of times, a large number of "cauliflower-shaped" lithium dend...[Details]
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LED light
strips are mainly used for decoration. Since many customers are not very familiar with them, they will miss some links when calculating the project quotation, which will incre...[Details]
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One year, I wrote a Panyu Longmei game console IO board using STM32F103VBT6 and TM1629. I wrote a driver. I hope it can help friends in need. Without further ado, the code is as follows: #ifdef GAME ...[Details]
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Experience 1: Use "software trap + program password" to deal with the flying of PC pointer
When the CPU is disturbed by external factors, the PC pointer may sometimes fly to another program segment...[Details]
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For the indoor LED display, take the Ф3.75 (unit board specifications: 304mm*152mm, specifications: 64*32 dots) model as an example.
If you want to make a LED display screen with a length of...[Details]
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As countries around the world accelerate their pace towards net zero emissions, people need to face the intermittent and volatile nature of renewable energy. Long-term energy storage technology that c...[Details]
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The electronic control technology on automobile engines mainly includes the following aspects:
Electronic fuel injection (EFI)
The electronic fuel injection system is a system t...[Details]
Power technology
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