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AC motors generally use three-phase system, because compared with single-phase motors, three-phase AC motors have obvious advantages in performance indicators, raw material utilization and price. T...[Details]
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Summer vacation is coming. In the tense atmosphere before the end of the semester, the third-grade students of the Fengtai School of the Affiliated Middle School of Renmin University of China are s...[Details]
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Recently, during the 2021 China Integrated Circuit Design Innovation Conference and IC Application Expo (ICDIA), Muxi Integrated Circuit CEO Chen Weiliang introduced the market and development foreca...[Details]
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General method of current detection
Common methods of current detection are direct resistance sampling, Hall element (LEM) sampling, and current transformer sampling.
Sampling wi...[Details]
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With the rapid increase in the operating frequency of electronic equipment, the frequency of electromagnetic interference is also getting higher and higher, and the interference frequency usua...[Details]
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1. UPS Types
Common UPS are generally divided into three types: online, backup, and online interactive.
When the online UPS is working, it first steps down the input mains voltage, re...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Abstract: Based on the optical principle of measuring the vertex power (d) of eyeglass lenses by a focal meter, this paper analyzes the source of measurement error and gives a correction method. Sinc...[Details]
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Global picture:
Enlarge image:
CODE:
#include reg52.h
sbit dula=P2^6;
sbit wela=P2^7;
void main()
{
wela=1;
P0=0x00;
wela=0;
dula=1;
P0=0xff;
dula=0;
}
...[Details]
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GlobalFoundries (GFS.US), the largest semiconductor foundry in the United States, is starting to lay off employees and has frozen recruitment. The company notified employees of the upcoming layoff...[Details]
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A network analyzer is a powerful test and measurement instrument. As long as it is used and operated correctly according to the flow, it can achieve extremely high accuracy. It uses its own signal so...[Details]
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Everyone has always been very cautious about the high-voltage batteries of electric vehicles. We all know that poor insulation can lead to leakage and personal injury. However, as an engineering st...[Details]
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The microcontroller source program is as follows: Wendu.h (header file) #define jump_ROM 0xCC //ds18B20 definition #define start 0x44 #define read_EEROM 0xBE void delay(unsigned int N); void delay_1...[Details]
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Continue to empower the industrial ecosystem to break through and expand, leading to unlimited possibilities in the future. (September 19, 2023, Shanghai, China) As one of the world's leading compa...[Details]
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STMicroelectronics is committed to helping the automotive industry meet the challenges of electrification and digitalization. It not only provides the solutions needed at this stage, but also provi...[Details]
Microcontroller MCU
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