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OSPF Introduction Fairy Tale
Network
It is like a kingdom, which can be divided into several areas. Now let's see how a person in the area (the root of your machine) gets a world map (...[Details]
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How to test and detect electrical faults has always been difficult, because it is difficult to capture the electrical parameters when the fault occurs, which adds great difficulty to our detection....[Details]
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As the video resolution of LCDs and cameras in mobile phones increases, the data frequency will exceed 40MHz, and traditional filter solutions have reached their technical limits for suppressing wirel...[Details]
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Existing pumped storage plants in the U.S. Image: Duke Energy.
The US Department of Energy (DOE) has announced it will provide assistance for a “techno-economic” study of two p...[Details]
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Intelligent driving assistance systems have been widely used in mass-produced cars. When we are driving, some intelligent driving assistance systems can effectively help us improve the convenience ...[Details]
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The humanoid Opmus project has made significant progress. Although it is still in the research and development stage and has not reached mass production standards, hundreds of prototypes have been ...[Details]
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01
origin
Industry development needs
In the seco...[Details]
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ISD4004 voice chip C51 driver source code /*spi isd4004.h*/ #include "reg51.h" #include "intrins.h" sbit _cs = p0^0; sbit _sclk= p0^3; sbit _mosi= p0^1; sbit _miso= p0^2; sbit _rac = p0^4; sbit _int...[Details]
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Recently, Xiaomi officially announced the MI CHARGE TURBO super wireless flash charger, the world's first 30W super wireless flash charger, which can wirelessly charge a 4000mAh battery to 50% in 20 ...[Details]
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On the 28th, Xiaopeng Motors announced that it would build 30 supercharging stations in expressway service areas and within 5 kilometers of expressway intersections, covering the Beijing-Shanghai a...[Details]
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The double-rod vibrating rod level switch is currently widely used in wet desulfurization and denitrification processes due to its reliable quality and quality. It has advantages and characteristic...[Details]
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By the end of 2022, the number of electric bicycles in my country will reach nearly 400 million. As electric bicycles are widely favored by consumers, problems such as difficulty in charging, slow cha...[Details]
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I finally had time to update recently. I spent a few days to make a little thing. Although there are many ways to implement it on the Internet, I have never tried it. Taking advantage of the time, I a...[Details]
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At the 2021 spring new product launch conference, Apple made an extremely cool promotional video. Tim Cook transformed into "Night Walker" and "stole" the M1 chip onto the new version of iPad Pro. ...[Details]
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In the design of the driver, we may use flush_cache_all to flush the contents of the ARM cache to the RAM, because the cache in ARM Linux is generally set to write back. Usually, DMA cannot access ...[Details]
FPGA/CPLD
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