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Take a single-phase motor as an example. First of all, DC motors and AC motors are both types of motors, and both operate due to the action of magnetic fields. And DC can be regarded as a type of s...[Details]
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——Notes on the 2019 Mid-Year Work Conference of State Grid Corporation of China
Text/Reporter Chen Junya
On July 15, State Grid Corporation of China held its 2019 mid-year work conference...[Details]
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Use 74hc573 to realize the 24-hour clock display of digital tube. If you don't know about the 74hc573 chip, you can look at the manual in the file. Without further ado, here is the code /*The fol...[Details]
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Difference between accumulator A and ACC
There is a difference between the accumulator written as A or ACC in 51 assembly language instructions.
The machine code after assembly must have a byte...[Details]
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With the progress of the times and the continuous development of science and technology, people have invented many electronic products with the help of science and technology. Electronic products s...[Details]
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Today, ASUS’ official Twitter account released a preheating video for the ROG gaming phone 3, which shows that it is equipped with the Snapdragon 865+ chip and will be officially released on July 22....[Details]
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1 Introduction
SD card (Secure Digital Memory Card) is a new generation of memory based on Flash. It focuses on the security, capacity and performance of data storage. It is an ideal external ...[Details]
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introduction
With the continuous progress of my country's aerospace technology, deep space ranging technology has received more and more attention. In the deep space ranging system, the intermedia...[Details]
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The air mass flow display device can directly reflect the air flow entering the engine, which helps to provide the best air-fuel ratio for the engine. This paper takes the Romonster mass flowmeter ...[Details]
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Substandard application performance can create software or network problems. To ensure that the software meets or exceeds design expectations, it is necessary to analyze the application's performan...[Details]
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The macro definition of _BV is as follows:
#define _BV(bit) (1 (bit))
The following example illustrates the application method:
The method to set PORTA0 of PORTA is as follows:
PO...[Details]
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September is a golden month with clear skies and cool weather. The 2024 Global Energy Transformation Conference with the theme of "Transformation and Development for a Green Future" was held in Fut...[Details]
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ARM's 9 addressing modes 1) Immediate addressing The operand is an immediate value, prefixed with "#", and "0x" is used to represent a hexadecimal value. example: MOV R0,#0xFF00 ;0xFF00 - R0 SUBS R0,...[Details]
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Nissan Motor, Japan's third-largest automaker, said on Thursday that it is grappling with negative conditions such as chip shortages, rising raw material costs and the COVID-19 pandemic, which will r...[Details]
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1 Overview
With the continuous development of single-chip microcomputer technology, single-chip microcomputers are increasingly widely used. Among them, the 51 series of single-chip microc...[Details]
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