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This morning, Honor Mobile officially released the back picture of Honor 9X. Honor 9X will be equipped with three rear cameras and adopt inductive X texture gradient. The gradient color and texture o...[Details]
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__main() and main() (reprinted)
Because we usually have done a relatively detailed initialization work in BOOTLOADER, including the transfer of code, so we'd better not call the library function __ma...[Details]
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Low power consumption research is a hot topic in wireless sensor network research, which can be divided into two levels: hardware and software. This paper introduces the technical background of low...[Details]
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Recently, Jiwei.com learned that OPPO has filed several patent infringement lawsuits against Nokia in China and Europe, and the patents involved are all 5G standard essential patents. Obviously, this...[Details]
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On September 22, the New Energy and Energy Storage Professional Committee of the Guangdong Electric Power Industry Association (hereinafter referred to as the "Professional Committee") and indu...[Details]
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1. Test of ordinary resistors When the parameter mark of a resistor falls off for some reason or its precise resistance value is unknown, it is necessary to use an instrument to measure it. For the r...[Details]
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Acoustic shock is a short-duration, high-frequency, high-intensity sound caused by telephone line interference or other reasons. It is received by the human ear through the telephone receiver or e...[Details]
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In PLC programming, the most common thing is to convert the analog signal on site into the actual engineering value, such as converting the current or voltage signal of the field transmitter such a...[Details]
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From November 20 to 22, the 2019 China Security Industry Conference was held in Foshan, Guangdong. The conference brought together more than 3,000 domestic and foreign security experts, scholars and ...[Details]
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Leju released a new robot named "Kuafu" on December 5. Kuafu is known as the first open source Hongmeng humanoid robot in China. It has the ability to jump and adapt to various terrains. The robot ...[Details]
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1 Introduction
In recent years,
power supply
products have made breakthrough progress, but at the same time, the problem of energy waste has become a growing concern at home...[Details]
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Capacitive sensors have been widely used in industry, medicine, military and other fields. However, most of the current capacitance measurement methods have low integration level and low precision, so...[Details]
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The pulse generation circuit is composed of CD4060 and 32.768Hz quartz crystal oscillator to generate 4Hz pulse source. The 74LS293 counter counts the 4Hz pulse source, and its output terminal Q is co...[Details]
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Abstract: The contradiction between the withstand voltage and on-resistance of conventional high-voltage MOSFET is analyzed, the structure of high-voltage MOSFET with built-in lateral electric fiel...[Details]
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On October 14, Neijiang Vice Mayor Bi Sheng led a team to the Chuanwei Lianjie Base to care about the development of the enterprise. Neijiang Municipal Government Deputy Secretary-General Peng Yun,...[Details]
PCB Design
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