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The huge impact of the new coronavirus on global businesses has begun to emerge. Yesterday, the US mobile phone giant Apple suddenly announced that it would close its retail stores, offices and cal...[Details]
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0 Introduction
Wireless sensor networks consist of a large number of densely distributed sensor nodes inside or around the observed object. The nodes do not need to be pre-installed or pre...[Details]
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Makefile is divided into several layers Top level: Makefile 2层 : scripts/Makefile.build 2层 : scripts/Makefile.autoconf Layer 2: scripts/Makefile.spl Of course there are other Makefiles, but t...[Details]
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On March 31, Leyard released its annual report stating that in 2020, the company achieved operating income of 6.634 billion yuan, a year-on-year decrease of 26.68%; the net profit attributable to the...[Details]
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Based on the wavelet multi-resolution analysis theory, a new method is proposed to distinguish the transformer excitation inrush current and internal short-circuit current by using the ratio of energy...[Details]
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After PIC C is compiled, a .P1 file will be generated;
After running cmd command in Windows, a DOS window will appear - set the path to the directory of .P1 file (that is, the directory of PIC projec...[Details]
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pIC16f874 Stepper Motor Program listp=16f874 include ;--==*［CONSTANTS］*==-- #defineCOMMAND_2 'B' #defineCOMMAND_3 'C' #defineCOMMAND_4 'D' ;--==*［VARIABLES］*==-- cmdNumeq0x20;commandnumber.0xFFfori...[Details]
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For instructions on nandflash, please refer to others. Now I will post Mr. Wei Dongshan’s code for my study purposes. 1 @************************************************ 2 @ File：head.s 3 @ Fu...[Details]
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Judging from the auto shows in recent years, the importance of new cars has gradually decreased, and various high-tech technologies have become the center of the booth. In this Guangzhou Auto Show, t...[Details]
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When the serial ports are configured, add
#include stdio.h
#ifdef __GNUC__
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) ...[Details]
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According to Reuters, Trump said on Sunday local time that in his conversation with Apple CEO Cook, Cook had repeatedly emphasized the possible impact of imposing tariffs on Chinese imports and the p...[Details]
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Huawei's CPE 5G Pro has been on sale for a while, priced at 2,499 yuan. For such a product, many people don't know what it does, so Huawei Terminal officially explained the product in detail on Zhihu...[Details]
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According to different design requirements, the electrical circuits of the inverter have their own characteristics. The general-purpose inverters widely used in the market are mainly composed of th...[Details]
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Safety capacitor:
Safety capacitors are used in situations where failure of the capacitor will not cause electric shock or endanger personal safety.
It includes two types of X capacitors ...[Details]
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1 Characteristics of batteries The four most commonly used battery chemistries are lead-acid batteries (PbSO4), lithium-ion batteries (Li+), nickel-cadmium batteries (NiCd), and nickel-metal hydride...[Details]
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