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Chapter 3 Starting the System Download the kernel image file and root file system image file generated in the previous two chapters to the mini2440 development board and check the startup informatio...[Details]
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1. Ordinary counter
Let's learn about ordinary counters first, taking C0 as an example. See the figure below. When X0 has a rising edge, C0 will count once. When C0 counts to 1000, it will sto...[Details]
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On November 24, Hongchang Electronics issued an announcement stating that in order to comply with the requirements of the national environmental protection supervision and support the needs of region...[Details]
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The DS3650 is a 4-wire compatible controller that meets the temperature and voltage detection requirements of the Payment Card Industry (PCI) and other devices where data protection and security ar...[Details]
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Touch sensors have been in widespread use in the industry for many years, but only recently, with the development of mixed-signal programmable devices, have capacitive touch sensors become an alternat...[Details]
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Introduction
The light emitting diode (LED) was invented in the 1960s. It uses the electrons and holes in semiconductor materials to combine and release energy, causing the energy band (Energy Gate)...[Details]
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On October 11, the 2021 Guangdong-Hong Kong-Macao Greater Bay Area Private Enterprise Science and Technology Innovation Summit and Private Enterprise Science and Technology Achievement Matchmaking ...[Details]
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1. Detection of high voltage diodes Use the multimeter "R×10k" to measure the two ends of the high-voltage diode. Its forward resistance is about 8 to 10 kΩ, and its reverse resistance is... If t...[Details]
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For the indoor LED display, take the Ф3.75 (unit board specifications: 304mm*152mm, specifications: 64*32 dots) model as an example.
If you want to make a LED display screen with a length of...[Details]
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According to Taiwan media Tech News, Seoul Semiconductor previously filed a lawsuit at the Ansan Branch of the Suwon District Court in South Korea, accusing Taiwan's LED packaging giant Everlight Ele...[Details]
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Sony Xperia’s official Weibo account released a preview poster, indicating that there is still one day left before the release of the Chinese version of Xperia 5, which means that Sony will hold a pr...[Details]
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The frequency characteristics analyzer is a device that makes full use of the superior noise suppression characteristics of the digital Fourier integration method and is a high-precision measurement ...[Details]
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Recently, the General Administration of Customs released the import and export data of inverters from January to February 2023. According to the customs data:
Import and export situation in Ja...[Details]
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On February 28, according to Korean media ETNews, Samsung plans to mass-produce the Bot Fit wearable robot in mid-2024, and the first batch of production is estimated to be less than 100,000 units....[Details]
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Recently, the reporter saw in the "photovoltaic greenhouse" located in Luocheng Street that tomatoes, cucumbers, and green peppers were growing with green leaves and fruits. But when you look up ca...[Details]
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