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It is suitable for testing the water barrier properties of Band-Aids, bandages, medical tapes and other materials of any shape, form or specification that directly contact the wound surface. It is th...[Details]
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With the growing market demand for high-precision micro-terminal products, the stamping process has attracted increasing attention from connector manufacturers. Among the four core processes of man...[Details]
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1. Mistakes in appearance The error of an indication is the difference between the indicated value of an indication and the actual value being measured. It can be expressed in three ways: (1) absolut...[Details]
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DC motor speed control circuit principle
Today we will look at the speed control circuit of the DC motor. The principle is very simple. Different speeds can be achieved by connecting different...[Details]
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In the increasingly market-oriented environment of electricity, power companies must improve service quality to maintain competitiveness. At present, in some areas of my country, the degree of auto...[Details]
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Neutral point type electronic transformer circuit
Figure 4 uses C3 and C4 to create an artificial "neutral point", and the high-frequency voltage output from the 2nd pin of MR9830 forms a loop thro...[Details]
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This article introduces a small audio system made by using TA7240P and some common components. It has the advantages of being cheap, easy to make, and not requiring height.
TA7240P is a low-distort...[Details]
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Recently, China's leading EDA solution company, SMIC (Shanghai) Information Technology Co., Ltd. ("SMIC"), announced the completion of a new round of financing of several hundred million yuan. Shangh...[Details]
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The 2440 startup process is a difficult point and not easy to understand. The understanding of the 2440 startup process affects the subsequent analysis of the bare metal code execution process, thus ...[Details]
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The automotive market experienced a crisis in 2018, and industry insiders are discussing the trends of the global and Chinese automotive markets in 2019 and beyond. This seminar also hopes to share w...[Details]
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Recently, the 5th Household Photovoltaic Power Generation System Promotion Conference was successfully held in Shijiazhuang, Hebei. Photovoltaic professionals gathered together to discuss the devel...[Details]
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Huawei officially released the Mate40 series of mobile phones. At the same time, after the Huawei press conference, a Mate 30E Pro mobile phone was launched on the official website, equipped with the...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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LED lighting is rapidly gaining popularity among users due to its high luminous efficiency, long service life, simple brightness control and environmental protection. As a new energy-saving light...[Details]
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The State Council Information Office held a press conference to introduce the development of industry and information technology in the first three quarters of 2024.
It is learned that Z...[Details]