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An integrated small-scale multifunctional harmful gas rapid detector which can detect the concentration of 4 gases in the air was developed to be suitable for monitoring air hygiene in public places, ...[Details]
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1. Most of the I/O ports of 51 MCU are quasi-bidirectional ports. During reset, all ports output high level. The input and output operations of the ports are also directly performed through the add...[Details]
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LED indoor lighting and application technology are advancing by leaps and bounds. Indoor lighting is undoubtedly a huge market with undoubted market prospects. It is believed that it will occupy a lar...[Details]
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In 2020, global shipments of wearable devices reached 153.5 million units, a year-on-year increase of 27.2%; in 2020, global shipments of wearable devices reached 444.7 million units, a year-on-year ...[Details]
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Recently, the results of the "Top Ten Science and Technology Terms of 2023" selection activity initiated by the National Science and Technology Terminology Review Committee and a number of authorit...[Details]
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The kernel I use is linux2.6.38. At the beginning, the development board can be used as a USB flash drive, but when using the HID function, the following problems occur:
g_hid gadget: hi...[Details]
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1. Overview
Closed-circuit television monitoring systems are increasingly gaining widespread attention and application, and the types and grades of its products are also increasing. According to ...[Details]
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NAND flash memory has been around for so many years, and its development has never stopped. Basically, it has been pursuing higher storage density. Therefore, from the initial SLC to the current QLC,...[Details]
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Relationship diagram of 6410 interrupt registers
EINT0CON0 External Interrupt 0(Group0) Configuration Register 0
sets the trigger mode of external interrupt (high level, etc.)
EINT0PEND Exte...[Details]
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The development board used is Puzhong Technology HC6800-ES V2.0
PC: Win7 64 bit
Compiler software: keil uversion2
Burning tool: PZ-ISP V1.82 developed by Puzhong Te...[Details]
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Li Yizhong, deputy director of the Economic Committee of the National Committee of the Chinese People's Political Consultative Conference and former Minister of the Ministry of Industry and Informati...[Details]
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Table of contents
Research, design, and validation of new structures require a variety of static load tests as well as aerodynamic tests, as shown in Figure 1. If you want to measure the struct...[Details]
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Qualcomm, Samsung, MediaTek, and NVIDIA are the largest mobile chip manufacturers, accounting for the vast majority of all smartphone and tablet chips. At the same time, they have one thing in common...[Details]
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Part 1 ARM assembly syntax under Linux Although it is convenient to write programs in C or C++ under Linux, the assembly source program is used for the most basic initialization of the system, such a...[Details]
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The rapid development of science and technology revolution has made the automotive industry undergo an unprecedented profound change. Among them, technological innovation, as the core driving force...[Details]