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introduction
The access control and security alarm system of intelligent buildings includes three layers of defense system: perimeter defense, entrance and exit control; security monitorin...[Details]
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Before using a pointer multimeter to detect the step voltage, first insert the ground rod J into the zero potential on the ground, and then connect the detection circuit as shown in Figure 5-5. A in...[Details]
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Recruitment direction:
Organic total synthesis, organic synthesis methodology, organic catalysis; electrochemical energy storage
Recruitment requirements:
1. Have basic knowledge of ...[Details]
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(Image source: Siemens PLM Software) According to foreign media reports, Siemens PLM Software has released the latest version of Simcenter Madymo software, which has significantly improved spee...[Details]
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The carrier of fingerprint recognition technology - fingerprint reader, is a high-tech security product that combines fingerprint collection head and its supporting software to enhance the encryp...[Details]
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Recently, Jackery Electric has reached strategic cooperation with State Grid and China Southern Power Grid, marking Jackery Electric has fully entered the national new power system construction sys...[Details]
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Translated from - Zdnet The research, conducted in partnership with Adaptive Biotechnologies, aims to help create an immunity scan to aid the reopening of society. Recently, Microsoft announc...[Details]
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Cell phones and other wireless communication devices are difficult to test because of their dynamic demands on the battery. To save power, these devices need to quickly switch to a high-power operati...[Details]
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1. Introduction
Since the emergence of microcontrollers in the 1970s, they have developed rapidly and been widely used in the past 30 years. With the rapid development of microelectronics tech...[Details]
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Cognex, a leading company in visual inspection, guidance and industrial ID systems, recently held a seminar in Shenzhen with the theme of "We can read it". Mr. Shen Liwei, product marketing manager...[Details]
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On September 23, Zhejiang Haina Semiconductor Co., Ltd. (hereinafter referred to as "Haina Semiconductor") produced the first 6-inch heavily arsenic-doped single crystal. According to the official ...[Details]
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As shown in the figure, J1 is the No. 1 and No. 2 terminals of the instrument. VD3, C7, C9, etc. rectify and filter the AC voltage output by the low-voltage winding of transformer T1, and then outp...[Details]
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In recent years, Chinese companies have mostly played the role of assembly and processing in Apple's supply chain, with low profit margins. However, with the upcoming release of Apple's latest flagsh...[Details]
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April Summit The market development and technological upgrading of new energy vehicles have brought more new demands for sensing technologies to meet the increasingly stringent safety and ener...[Details]
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What should you do when you find yourself outdoors and your phone is out of battery, and you don't have a charging tool nearby? Take a look at a new outdoor charging tool that has recently appeared...[Details]
ADI Reference Circuit
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