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The interrupt of AT89S52 microcontroller is divided into four stages: interrupt sampling, interrupt query, interrupt response, and interrupt return. When executing an interrupt, the following three co...[Details]
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The Qichacha App shows that recently, Beijing Xiaomi Mobile Software Co., Ltd. disclosed a "mobile phone" appearance patent, publication number CN306350869S, and the application date was July 2...[Details]
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This paper introduces the hardware and software design of embedded CAN intelligent node based on PIC16F874 single chip microcomputer, and uses PCL-841 CAN interface card to realize communication be...[Details]
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When the motor is large, starting is an issue that must be paid attention to. The simplest and most commonly used is the star-delta starting method. The core part of the star-delta starting method is...[Details]
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Tell me the truth, do you really need an iPhone with dual cameras, 458ppi, 2 million contrast, and OLED display? If not, then XR is more suitable for you. At least in public, most people will not car...[Details]
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On August 8, Shanghai Securities News reported that Huacan Optoelectronics has sued Sanan Optoelectronics for infringing its patents, and the court has officially filed the case. This time, it sued S...[Details]
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Working characteristics of resistance
strain gauges The data or curves that express the performance and characteristics of resistance strain gauges are called working characteristics of strain...[Details]
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environment MPLAB X IDE Version: v5.10 Compiler: xc16-gcc v1.20 Solution 1. Open the menu File Project Properties, and the Project Properties dialog box pops up. Click PICkit 3, select the drop-...[Details]
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After two nights of hard work, I finally got the NAND driver on the s3c2440 board fixed. I wrote down the points that need attention for your reference.
The u-boot version used this time...[Details]
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Lyon, France - December 16, 2021 | "Apple's A14 Bionic, fully dedicated to the iPhone 12 series and iPad, came out in 2020 at the right time," said Ying-Wu Liu, technology and cost analyst at Syste...[Details]
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According to Taiwanese media reports, Lyon Securities released a report pointing out that the upstream supply of iPhone 12 was overly aggressive, and Apple has officially launched the first wave of o...[Details]
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Since Karl Benz first invented the true gasoline-powered car in 1885, automotive technology has made remarkable advances in the past century, such as anti-lock braking systems, power steering syst...[Details]
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Yesterday, a piece of news dominated my screen. State Grid and China Radio and Television Corporation are cooperating on 5G, investing 60 billion yuan to build 114,000 base stations. State Grid pla...[Details]
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Magnetic flap level gauge is a commonly used level gauge product, which can be used for medium level detection of various towers, tanks, tanks, spherical containers and boilers. It has the advantages ...[Details]
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Learning ARM assembly is very necessary. Learning ARM assembly is not to write programs in assembly in the future, but to understand and modify it. Because in the later projects related to the kern...[Details]