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51 single chip microcomputer: P3.2 pin is INT0 interrupt P3.3 pin is INT1 interrupt Button P3.2 P3.3 Button low level trigger: while(PB0==0); delay(); #include reg51.h ...[Details]
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3G base stations, whether CDMA2000 1x, EV-DO, WCDMA, or TD-SCDMA, all use more complex wireless technologies, such as code division multiple access, complex modulation, and precise power control. TD-...[Details]
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Today, an interesting story was uploaded on platforms such as Weibo. A netizen on a certain platform posted that he had a sudden idea to change the name of his SIM card to "No SIM Card". As a r...[Details]
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1. Why use an operating system?
(1) When we usually write code, we usually write it like this:
#include "reg51.h"void main(){ while(1)
{
dosomething(); //User's program
}
}
This is th...[Details]
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The reference textbook was modified a bit, and a display program was added. The digital tube can only display 4 bits, and the maximum pulse width can theoretically display 9999us. Interested students...[Details]
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Recently, the Gansu Energy Regulatory Office organized an industry regulatory symposium to analyze the situation and tasks facing industry regulation and study and deploy industry regulatory work i...[Details]
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A transformer is an electrical device that can change the AC voltage while keeping the AC frequency unchanged. In the power transmission and transformation process of the power system, the transfor...[Details]
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The tester uses low-voltage pulse method and high-voltage flashover method to detect various cable faults, especially flashover and high-resistance faults of cables, which can be directly tested wi...[Details]
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Jiwei.com reported that driven by technologies such as 5G, big data, and cloud computing, the era of the Internet of Everything is accelerating. Time information has become a necessity for all intell...[Details]
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1 Overview
Electronically controlled injection technology is an important technical measure for energy conservation and environmental protection of automobile engines. At present, the automobil...[Details]
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1 Introduction
With the development of power electronics technology, the application of power electronic devices has become increasingly widespread, and the harmonic pollution caused by the po...[Details]
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Scientifically handling cross-subsidy of electricity prices is a key issue in promoting the reform of the power system. This paper incorporates demand price elasticity into the theoretical model of...[Details]
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Since last year, technological advances in battery packs have emerged in an endless stream. Companies such as CATL, BYD, and Honeycomb Energy have launched new battery pack technologies. Their main...[Details]
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Note: This example is modified from someone else's version. Because I don't have an 11.0592MHz crystal, I use a 12MHz one. After adjusting the baud rate, I found that when the baud rate is 1200, the t...[Details]
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1. Born to Glory: The Origin of ARM Cortex-M Processor When ARM introduced the ARMv7 core architecture in 2004, it abandoned the previous "ARM+number" processor naming method (processors before ARM...[Details]
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