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introduction RFID uses electromagnetic wave spatial coupling and propagation for communication to automatically identify the identified object and obtain the object information. Compared with some ot...[Details]
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The circuit shown in the figure requires that the light is off when the machine is turned on. Press the button once, and the light D1 will turn on and automatically turn off after a delay of 10 secon...[Details]
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Preface The 51 series single-chip microcomputer is a high-performance 8-bit single-chip microcomputer launched by Intel Corporation in the United States in 1980. It is widely used in China. A...[Details]
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Recently, Apple officially launched the new 13-inch MacBook Pro notebook. Compared with the previous generation, the overall changes of the new 13-inch MacBook Pro are not significant. It has mainly ...[Details]
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Recently, @CCTV Finance Channel reported that BlackBerry Canada recently announced that it would stop updating the service system of BlackBerry mobile phones, which means that almost all models of th...[Details]
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The file system program source code is as follows:
. Common subroutines:
RD24C: Read the contents of the AT24C512 cell pointed to by DPTR and put it into the RAM cell pointed to by (R1, R0). R6 is ...[Details]
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The world's first 5G driverless bus line to be trial-run on an open road has officially started. Witnessed by guests from all walks of life attending the launch ceremony of the Henan Province 5G+ Dem...[Details]
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Transformer overexcitation is a common phenomenon encountered during design, manufacturing and operation.
Let's first talk about how transformer overexcitation occurs and what harm ...[Details]
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1. Mobile bridge type The movable bridge structure is the most commonly used three-coordinate structure. The mobile bridge type coordinate measuring machine has a simple and compact structure, a rela...[Details]
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The smart TV industry was extremely lively and crowded in the second half of 2019. Whether you are an industry insider or a spectator, you should be able to reach this consensus easily. The price w...[Details]
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Obtain third-party certification
As the use of batteries continues to expand, the focus of battery development has shown a diversified trend of high capacity, high safety and long life. Ev...[Details]
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There is still a long way to go from successful R&D to mass production. Recently, according to foreign media reports, Australian researchers have developed what is claimed to be the world's most ef...[Details]
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The core controller of the smart car, SPCE061A, is a 16-bit controller with unique voice features. The nSPTM core processor used in the chip has a high processing speed and can complete 16-bit arit...[Details]
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In June 2018, the "White Paper on Consumption Trends of High-end Home Appliances for the New Middle Class" released by AVIC Cloud Network mentioned that China's new middle class is becoming an import...[Details]
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On the morning of November 5, 2024, Dalian Rongke Energy Storage Group Co., Ltd. held a donation ceremony for the Rongke Energy Storage Education Fund and Yanhui Scholarship at the Sixth Junior High S...[Details]