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1. Experimental tasks Use the P0.0/AD0-P0.7/AD7 port of the AT89S51 microcontroller to connect the a-h ends of the digital tube. The S1-S8 of the 8-bit digital tube controls the strobe of each digita...[Details]
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Since the beginning of this year, under the dual influence of the epidemic and the adjustment of business strategies of Korean manufacturers, the prices of LCD TV panels have fluctuated greatly, risi...[Details]
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The DCBC-H multi-function ratio tester is suitable for testing three-phase transformers in power systems . It can also accurately measure the ratio and error of Z-winding transformers , rectifi...[Details]
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I found a breathing light program on the Internet and wrote it myself. I used a timer to generate pwm to realize the breathing light . I can also control the speed of the DC motor by referring to the...[Details]
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Nowadays, the new generation of laser TVs has become more and more popular. Some people may not know what laser TV is and what are its advantages. Here is a brief introduction. What is Laser TV? To...[Details]
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Autonomous driving is undoubtedly a "pie in the sky" that the automotive industry has painted for users. Being able to take your hands off the steering wheel and turn driving, a boring and risky "har...[Details]
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Recently, TSMC Chairman Liu Deyin told the Nikkei that TSMC will start building a $12 billion chip factory in Arizona next year. A working group of more than 300 existing employees and managers will ...[Details]
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1 Overview PWM front-end controlled rectifier is widely used in three-phase AC/DC voltage system due to its advantages such as DC voltage change, input power factor correction (PFC) and input ...[Details]
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The arrival of students at school and the surrounding 1 km are related to the safety of children's lives, especially since the school is a collective. Governments at all levels have always attached g...[Details]
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According to the news from foreign media "the Information", Apple originally planned to launch the "text walkie-talkie" function on the iPhone. But later, for various reasons, the development of this...[Details]
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I have been engaged in RF R&D for many years and have been engaged in RF chip support work at Runxin Technology for 7 years. I would like to share my experience in RF circuit design with you. I ho...[Details]
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Hasfeel HiSilicon launched a single-motherboard computer (3.5-inch specification) driven by the Intel Alder Lake-N chuliq processor. Compared with the previous version, the performance has been sig...[Details]
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Food safety has always troubled the public. Although the Anti-Counterfeiting Day has just passed, people are still vigilant about food safety. Food safety accidents have frequently occurred acros...[Details]
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1 What is the difference between the AC and DC ranges of an oscilloscope? When using Multisim software for circuit simulation, the oscilloscope has two gears: AC and DC. For the same signal, sometime...[Details]
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Recently, at a busy energy storage power station construction site, the 2.5MW liquid-cooled energy storage inverter innovatively launched by Kehua Digital Energy is being installed in an orderly ma...[Details]