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Power factor has never been a problem. In the past, the state stipulated that only when the power exceeds 75 watts will there be a power factor requirement (until now, for laptops, there is still n...[Details]
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The Microsoft XiaoIce spin-off, which has been rumored for nearly a month, has finally been finalized. Early in the morning of July 13, Microsoft China released an official announcement, ann...[Details]
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On January 16, 2024, BYD Dream Day was officially held. This grand conference, which the official had high hopes for and endowed with high energy, released many new technologies for the intelligentiz...[Details]
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Stepper motors have been widely used in automatic or semi-automatic equipment such as CNC machine tools, medical equipment, and instruments. The usual way to control stepper motors with computers i...[Details]
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The power supply circuit is the power supply circuit of the microcontroller, which is generally 3.3V or 5V. The specific voltage should refer to the working voltage of various types of microcontrolle...[Details]
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The arrival of 5G is faster than we expected. Li Zhengmao, vice president of China Mobile, recently gave a speech introducing the latest progress of China Mobile's 5G network after commercial use. ...[Details]
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Someone has done this kind of statistics: staring at the phone for five or six hours a day is equivalent to exposing our eyes to all the blue light radiated by the sun in a lifetime, in a few years. ...[Details]
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Vishay Launches Low-Profile PowerPAK® 600 V EF Series Fast Body Diode MOSFETs with Industry-Record Low RDS(ON)*Qg FOM
N-channel devices achieve high power density, redu...[Details]
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Before using a pointer multimeter to detect the step voltage, first insert the ground rod J into the zero potential on the ground, and then connect the detection circuit as shown in Figure 5-5. A in...[Details]
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Qualcomm Ventures-Tencent 5G Ecosystem Plan Entrepreneurship Competition held in Chongqing On September 24, the final of the Qualcomm Ventures-Tencent 5G Ecosystem Plan 2021 Entrepreneurship Compe...[Details]
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1 Basic Principles
Quality is key. No one is satisfied with poor work. When you complete high-quality work, you will be proud of it. Whether you know it or not, you will get credit for your hi...[Details]
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Introduction
With the development of microprocessor technology, microprocessors are constantly upgraded, the processing speed of the core is getting faster and faster, and the problem of accura...[Details]
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The TV, digital receiver, DVD, etc. used at home cannot do without infrared remote control. These remote controls are essential tools in our lives. Remote controls are inevitably damaged by external ...[Details]
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2019 is undoubtedly a year of reform and self-help for the color TV market. In the cold winter of color TV, the biggest highlight in 2019 is Huawei's launch of smart screens to change the color TV ma...[Details]
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Braking of three-phase asynchronous motors is an important topic in the field of motor control. In practical applications, motors need to start, run, stop and other operations under different worki...[Details]