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After Unisoc publicly announced its plan to enter the Science and Technology Innovation Board in 2021, it has been quietly working on its capital increase plan. According to exclusive information fro...[Details]
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China Unicom announced its operating data for September 2019. China Unicom's mobile billing users increased by 83,000 in the month, reaching a total of 324.729 million. Among them, 4G users increased...[Details]
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Keil MDK3.20 debug stm32 method under ULINK 1. Programs run in RAM Key points: (1) Change the download address of the program to the RAM space (2) Before debugging the program, set the SP ...[Details]
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There are three main methods for testing bursting strength or bursting strength: bursting method, marble bursting method and steel ball method. Foreign countries such as the United States, Japan, Sou...[Details]
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High-precision inclination measurement is required in engineering applications such as geological and petroleum exploration, equipment installation, road and bridge construction, as well as in the ...[Details]
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The principle of producing AR coated photovoltaic glass by roller coating is: use solar photovoltaic glass AR anti-reflection and anti-reflection coating liquid, and then use a roller coating machi...[Details]
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In the design process of microcontroller (MCU) system, developers often need to develop applications with battery life close to the service life of the final product. For example: when designing porta...[Details]
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Recently, Jiemei Technology said in an institutional survey that it has been in short supply in recent months and has full orders. In terms of production capacity, the paper carrier business will inc...[Details]
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The data types of C51 are divided into basic data types and combined data types, which are basically the same as the data types in standard C, but the char type is the same as the short type, and the...[Details]
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You need to set the function library in IAR's Options - General Options - Library Configuration, otherwise the printf function will be incorrect. Just change the Library setting in Library Configurat...[Details]
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When new rechargeable batteries are combined into a series block, they are generally charged and discharged several times at a conventional capacity of 0.1C before being put into use. However, in fac...[Details]
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1 Introduction
Early mobile phones used inexpensive color light-emitting diodes (LEDs) for keypad lighting and monochrome liquid crystal display (LCD) backlights. As LED technology has evolve...[Details]
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How to measure the quality of two-phase motor
Two-phase motors usually refer to single-phase induction motors, which are often used in household appliances, small mechanical equipment and othe...[Details]
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The passband is used to measure the amplification ability of the amplifier circuit for signals of different frequencies. Due to the presence of reactive elements such as capacitors, inductors and junc...[Details]
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Shanghai Yishi Intelligent Technology Co., Ltd. and Callisto (Beijing) Technology Co., Ltd. signed a "Strategic Cooperation Agreement". Based on their respective capabilities and advantages in...[Details]