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uchar code KEY_TABLE = { 0x77,0xB7,0xD7,0xE7 0x7B,0xBB,0xDB,0xEB 0x7D,0xBD,0xDD,0xED 0x7E,0xBE,0xDE,0xEE }; //The upper four bits are the columns, the lower four bits are the rows ucha...[Details]
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Earlier this month, Samsung launched the Galaxy A42 5G as its cheapest 5G smartphone. At the time, Samsung revealed its key specifications, price, and availability. However, it did not mention the pr...[Details]
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For high-power
UPS
, if the UPS rectifier is a three-phase full-controlled bridge 6-pulse rectifier, the harmonics generated by the rectifier account for nearly 25-33% of all harmonics, whi...[Details]
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China Energy Storage Network News:
On July 28, the launch meeting and implementation plan demonstration meeting of the National Key R&D Program "Research on Key Technologies of New Lithium Sl...[Details]
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The process of the microcontroller executing the program is actually the process of executing the program we compiled. That is, the instruction-by-instruction process. Each instruction executed by th...[Details]
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When testing loop resistance testers designed according to conventional design principles on site, it is found that there is a common problem: when the voltage wiring loop of the tester has poor cont...[Details]
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According to Reuters, TikTok said on Tuesday that it plans to add about 10,000 jobs in the United States over the next three years. Currently, TikTok has about 1,400 employees in the United States, c...[Details]
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Abstract: Fieldbus is characterized by openness and interconnection, which is the fundamental reason why it is superior to other forms of systems. However, the nature of this open interconnectio...[Details]
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Recently, the automotive industry has been on fire. Many institutions and consumer analysis reports have also proposed many new concepts for the new thing "smart cars".
For example, they...[Details]
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introduction
The automobile generator voltage regulator is an important component for controlling the power generation characteristics of automobile generators. The voltage regulation products...[Details]
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As the project manager of two substations in the Rongdong area of Xiongan New Area and three supporting power grid projects for the Xiongan High-speed Railway traction station, Jin Xiaoming was p...[Details]
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1. Forward voltage decreases, dim light
A: One is that the electrode and the light-emitting material are in ohmic contact, but the contact resistance is large, which is mainly caused b...[Details]
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1 Introduction
G.723.1 is a low-bit-rate speech coding algorithm standard launched by the organization in 1996. It is also the lowest bit-rate standard among the speech compression standar...[Details]
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Temperature measurement and control are widely used in the use of lasers, fiber gratings, and other industrial and agricultural production and scientific research. The traditional method of tempera...[Details]
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Preface This is a new picture of development that is a mixture of the old and the new, and a transformation of kinetic energy. In the tall red brick factory building with a sense of age, red hot molte...[Details]
FPGA/CPLD
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