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February 18, 2022, Shanghai - The 2022 Winter Olympics has officially kicked off in Beijing. From venue facilities, epidemic prevention measures, smart catering, to low-carbon transportation, many bl...[Details]
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This application note describes a method for compensating for cable loss that allows test equipment manufacturers to use high-loss cables to reduce costs without sacrificing product performance.
...[Details]
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At the Huawei nova6 5G launch conference held earlier this month, Huawei Watch GT2 also ushered in the New Year model. Compared with the regular version, the New Year model has added New Year element...[Details]
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There are two elements to successfully mount the NFS file system: 1. The NFS server is running 2. The PORTMAP service is running
For the specific principles of the NFS file sys...[Details]
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On January 19, according to Digitimes, as the chip shortage has not eased in 2022 and the supply side is still disturbed by uncertain factors such as the epidemic, domestic demand for chips will cont...[Details]
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Editor: This driver is quite complex, so let's port it first and analyze it later.
SD card driver transplantation
1 Register SD device driver in the kernel
Linux-2.6.32.2 already come...[Details]
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When you use an 8- to 14-bit analog-to-digital converter (ADC) in your system, it is important to understand the converter's voltage reference path. Figure 1 shows a circuit that can accommodate th...[Details]
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At the end of July, a new OnePlus phone with model number KB2001 appeared on the Geekbench 5 benchmarking platform. It is equipped with a Snapdragon 865 SoC and 8GB of RAM, running Android 11. F...[Details]
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By Charles Dachs, Senior Director, Mobile Trading Portfolio, NXP Ultra-wideband (UWB) is a secure wireless technology that can provide centimeter-accurate positioning and can determine the directio...[Details]
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Configure I/O ports, configure mode, enable GPIO and clock Write: Check if SDA is idle. Checks whether the event was successful. Send a start signal according to the protocol Checks whether the eve...[Details]
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Recently, various provinces have launched huge investment plans to cope with the impact of the COVID-19 epidemic and the downward pressure on the economy. At the same time, the call for launching a...[Details]
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Abstract: This paper introduces a switching power supply with multi-function and wide-range output. The basic circuit structure and control strategy of the power supply are described in detail, the...[Details]
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Leaker Jon Prosser shared renderings of the next-generation iPad mini design on his Front Page Tech website, saying that the renderings were based on design sketches, CAD files and actual device imag...[Details]
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Domestic factories have begun to slowly resume work, so what is the current situation of the electricity market?
Research institute: Electricity demand is not counted on a daily basis, so ...[Details]
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1 Introduction
At present, the commonly used serial buses for data transmission between microcomputers and peripherals are mainly I2C bus, SPI bus and SCI bus. Among them, I2C bus ...[Details]
stm32/stm8
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