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Recently, Wang Lizong, member of the National Committee of the Chinese People's Political Consultative Conference and president of Guangdong High-tech Industry Chamber of Commerce, attended the Guangd...[Details]
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When testing high-voltage diodes, you can use the multimeter's R×10k range to measure its forward and reverse resistance values. For normal high-voltage diodes, its forward resistance value is grea...[Details]
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void delay(char n) { char i; for(i=n;i 0;i--); //Look at the assembly and you will find that 3 instruction cycles are used here. The 4M crystal oscillator is 3us and the 51 microcontroller 12...[Details]
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Today, blogger @数码闲聊站 revealed that Xiaomi's super-large cup flagship is made of ceramic material, and the possibility of providing a plain leather version is not ruled out. Previously, Xiaomi...[Details]
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IT Home reported on February 26 that as the Meizu 18 and 18 Pro launch conference on March 3 approaches, Meizu has begun to frequently preheat this series of models. Meizu revealed today that...[Details]
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Recently, NIO announced for the first time its first self-developed chip - the lidar main control chip "Yang Jian" at the 2023 NIO IN Innovation and Technology Day. The chip will be mass-produced in...[Details]
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According to foreign media reports, researchers have designed and invented a new sodium ion conductor that can be used in solid-state sodium ion batteries. This conductor can remain stable when combi...[Details]
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The EMC requirements for UPS are a common concern for the majority of power supply technology workers. Starting from the last issue, this magazine has selected some contents of the national standards ...[Details]
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In 2021, the world is still under pressure from the coronavirus pandemic. This unprecedented public health crisis has affected all sectors of society, forcing businesses of all sizes, as well as gove...[Details]
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1 Introduction The RH-MFB vacuum treatment device of Panzhihua Iron and Steel Co., Ltd. is mainly used to remove gas, inclusions, desulfurize and decarbonize molten steel. During the treatment proce...[Details]
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1. Electromagnetic navigation Principle of electromagnetic navigation: Electromagnetic navigation is one of the more traditional navigation methods and is still used by many systems. It buries met...[Details]
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Have you ever tried to get out of bed quietly at night, only to trip over something and wake up the whole house? A motion-sensing night light discreetly mounted under your bed provi...[Details]
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1. When the on-duty personnel use a clamp ammeter to perform measurements on the high-voltage circuit, two people should be involved. When the off-duty personnel perform the measurements, the second ...[Details]
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Jaguar Land Rover and Wolfspeed collaborate to introduce silicon carbide semiconductor technology for next-generation electric vehicles
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Under the guidance of the "Reinvent th...[Details]
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The shrinking size of cell phones, PDAs and other portable electronic products has driven demand for smaller components. One way to reduce DC/DC regulator board area is to increase the switching frequ...[Details]
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