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Since Huawei and Honor separated, the issue of system updates has always been the focus of discussion. At present, Huawei has officially released a roadmap for upgrading old Honor models to Har...[Details]
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Migration environment CPU：S3C2440 Cross compiler: arm-linux-gcc-4.3.3 Virtual machine system: Ubuntu12.04 Reference: "Tianqian Technology Linux Porting Manual" Transplantation steps 1. Get the kern...[Details]
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Jiwei.com reported on February 3 that Lenovo Group announced its third quarter results for the 20/21 fiscal year ending December 31, 2020. Lenovo's turnover in this fiscal quarter reached 114.2 billi...[Details]
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ARM CEO Simon Segars said the global chip shortage is very complex to resolve and expects current supply chain disruptions to continue until 2022. According to the executive, the semiconductor indu...[Details]
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Movement disorders originate from the imbalance between different neurotransmitters, and the deformation and necrosis of nerve cells in different parts are the neurobiological basis for the imbalance ...[Details]
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#include STC12C5A60S2.h typedef unsigned char u8; typedef enum { Tim0_L_Int0_H = 1, Tim0_L_Int0_L, Tim0_H_Int0_L, }EnumCase; sbit LED1 = P2 ^ 4; sbit LED2 = P2 ^ 5; sbit LED3 = P2 ^ 6;...[Details]
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I. Introduction: In today's society, with the continuous advancement of science and technology, more and more modern medical devices have been rapidly developed, especially electronic instruments...[Details]
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Many netizens who are new to learning 51 microcontrollers will have this question: What is AT89S51? Books and online tutorials are all about 8051, 89C51, etc.! Never heard of 89S51! Here, beginners...[Details]
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1. Main functions of PCB circuit board tester
The basic principle of functional testing of digital chips is to detect and record the input/output status of the chip, compare the recorded status w...[Details]
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In water supply equipment, when the water tank supplies water to the outside, the water pressure may be unstable and fluctuate. In response to this situation, we can perform constant liquid level c...[Details]
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The basic principle of photoelectric target is: when the light flux in the light curtain changes greatly enough, the photoelectric sensor will respond to this change and generate an electrical sign...[Details]
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/************************************************************/ //File name: app_at24c02.c //Function: Test the IIC read and write AT24C02 program under Linux /***************************************...[Details]
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With the rapid development of science and technology, anything we think is impossible may become a reality, just like 100 years ago, people at that time could not imagine the prosperous Internet to...[Details]
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ucOS is a preemptive multitasking operating system, the core of which is the character scheduling mechanism, which ensures that multiple tasks are executed concurrently on one MCU.
Regarding the...[Details]
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High-voltage solid-state soft start cabinet is a device used for high-voltage motor starting. It controls the on and off of thyristors to achieve soft starting and soft stopping of motors, thereby ...[Details]
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