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I have analyzed the startup code under 44b0 before, and the difference is not very big. I looked at it again today. The startup code is different from the Bootloader. It mainly refers to the assembly ...[Details]
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1. Principle Overview When writing interrupt drivers, SylixOS developers often encounter situations where multiple interrupt sources share the same interrupt number. However, in order to ensure cod...[Details]
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In January this year, LG officially announced the rollable screen mobile phone LG Rollable at the CES2021 exhibition, and announced that it will launch mass production models this year. Subse...[Details]
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Qualcomm today released its first 6-series Snapdragon mobile chipset that supports 5G, the Snapdragon 690. Built on an 8nm process, it is the successor to the Snapdragon 675. This new chipset ...[Details]
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O LED technology has been developing rapidly recently, mostly because it has the tendency to replace other flat panel displays. In fact, O LED has its unique advantages as a lighting source. ...[Details]
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Mr. Wang Daheng, an academician of the two academies of my country, once said, "The instrumentation industry may seem to be a supporting role, but it is actually the core. Instrumentation is a multip...[Details]
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On the afternoon of September 6, the signing ceremony of key projects of the 2023 Tai'an Investment and Trade Cooperation Fair and the signing ceremony of Xintai City Investment Cooperation Projects w...[Details]
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Nowadays, cars have become a standard feature of every family. The most troublesome thing when driving out is the parking problem. Especially in first- and second-tier cities, the density of vehicles...[Details]
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The interface circuit between 2864A and AT89S51 microcontroller is shown in the figure below. The chip select terminal CE of 2864A is connected to the high address line P2.7. P2.7=0 ca...[Details]
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This article is translated from IEEE, and the authors are Jack Kavalieros, a researcher and vice president of devices and integration in Intel's component research group, and Marko Radosavljevic, a p...[Details]
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A sensor is a physical device or biological organ that can detect and sense external signals, physical conditions or chemical compositions, and transmit the detected information to other devices or or...[Details]
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As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
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On November 15, at the 22nd Guangzhou International Automobile Exhibition, the Chery brand unveiled 15 heavyweight models, among which the Chery Hunting Brake made its debut. The new car is positio...[Details]
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1. The temperature only displays the integer part, which is much simpler.
2. The week was not adjustable before. The problem was that the value was not converted into decimal after reading DS1302.
3...[Details]
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The variable frequency power analyzer is a kind of measuring instrument that is often used in industrial production. The variable frequency power analyzer refers to an instrument/device that takes va...[Details]
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