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1 Introduction
Lithium batteries have the advantages of high specific energy and low self-discharge, making them an ideal power source for portable electronic devices. In recent years, wit...[Details]
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引 言 步进电机是一种将电脉冲信号转换为角位移的执行机构。其主要优点是有较高的定位精度,无位置累积误差;特有的开环运行机制,与闭环控制系统相比降低了系统成本,提高了可靠性,在数控领域得到了广泛的应用。但是,步进电机在低速运行时的振动、噪声大,在步进电机的自然振荡频率附近运行时易产生共振,且输出转矩随着步进电机的转速升高而下降,这些缺点限制了步进电机的应用范围。步进电机的性能在很...[Details]
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Recently, Beijing Kehua, a subsidiary of Tongcheng New Materials, and DuPont Electronics & Industrial Division announced a cooperation plan to provide high-performance photolithography materials for ...[Details]
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According to Jiwei.com news, on the evening of May 12, the review status of Ninebot, a company accepted by the Science and Technology Innovation Board, was changed to "suspended". This is the first t...[Details]
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A multimeter, also called a multimeter, three-purpose meter, or multiplexer, is a multi-functional, multi-range measuring instrument. Generally, a multimeter can measure DC current, DC voltage, AC vo...[Details]
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Near infrared light is an electromagnetic wave between visible light (VIS) and mid-infrared light (IR). The American Society for Testing and Materials (ASTM) defines it as a spectral region with a wav...[Details]
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Intel CEO-to-be Pat Gelsinger will take office on February 15. Wall Street analysts believe that Gelsinger "has a keen understanding of technology and is expected to make bold moves to help Intel suc...[Details]
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Introduction: At present, real-time operating systems have been widely used in various fields of industrial control. As a real-time kernel, uC/OS-II is widely loved by developers because of its open...[Details]
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Due to the continuous development of high-tech, the miniaturization and digitization of instruments have been realized. In the 1990s, high-precision, high-performance, and multi-functional instrume...[Details]
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SMA Solar Technology has announced plans to expand production capacity in the United States, with production expected to begin in 2025.
The company is working with multiple states and potentia...[Details]
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On the evening of February 7, Shen Yiren posted on Weibo that he wanted to change his mobile phone because it was too heavy and his wrist could not bear it. It is reported that Shen Yiren is ...[Details]
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introduction
With the rapid development of science and technology, the requirements for power supply reliability, output accuracy and stability are getting higher and higher. The design...[Details]
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Mobile backup power supplies solve the outdoor power supply needs of digital products, and use natural renewable energy conversion and energy storage or household electricity storage to solve the o...[Details]
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In addition to the FIDO2 standard, new hardware security tokens support security features such as HOTP and PIV Bronschhofen, Switzerland, April 27, 2023 - Swissbit has launched iShield Key Pro, ex...[Details]
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Mitsubishi PLC FX3U is a powerful small controller widely used in industrial automation. Its master control instructions are the core of program control. For programmers, it is very important to ma...[Details]