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#include reg52.h sbit LED P0^4; void main() { EA = 1; // Enable general interrupt TMOD&=0xFC; TMOD|=0x01; TH0 = (65535-2000)/256; // Timing 2ms TL0 = (65535-2000)/%256; ET0 =...[Details]
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Console VT: The console VT has a timer, the default is 10 minutes. As soon as the time is up, the screen will be blank, which will cause the fb screen to go black and give people the "illusion of pow...[Details]
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The importance of low noise comes from the industry development trend of battery technology and low noise and low voltage applications. Low voltage must be truly achieved to keep the power in mobile ...[Details]
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Since the input of PLC is divided into two types: NPN input and PNP input, the proximity switch is also divided into two types: NPN and PNP. Only when the type of proximity switch is consistent wit...[Details]
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Using the charging and discharging method to judge the quality of capacitors If you don't have a multimeter, you can use the charging and discharging method to roughly check the quality of the capaci...[Details]
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On March 29, the signing ceremony of the investment agreement for the Enjie lithium battery separator project in Yuxi, Yunnan was held in Yuxi City. Yuxi Municipal Party Committee Secretary Wan...[Details]
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"Since our establishment in 2004, we have been focusing on digital video applications, always taking video as a unique data type, optimizing chip architecture and introducing advanced software and ha...[Details]
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0 Introduction
The current SOHO router design adopts the ARM7TDMI+μClinux design architecture. The operating frequency of the ARM7 core microprocessor is about 50M, while the operating frequenc...[Details]
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Infineon Technologies AG recently announced the acquisition of Zurich-based start-up 3db Access AG (3db) . As a pioneer in secure, low-power ultra-wideband (UWB) technology, the company is now the ...[Details]
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#include
#include math.h
#define uint unsigned int
#define uchar unsigned char
uchar code tab ={0xee,0xed,0xeb,0xe7,
0xde,0xdd,0xdb,0xd7,
0xbe,0xbd,0xbb,0xb7,
0x7e,0x7d,0x7b,0x77,}; //0~f ...[Details]
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This paper analyzes a
buffered soft-
switching
DC converter and
compares
the harmonics of the converter's input and output waveforms with a hard
-switching
circuit
. The result...[Details]
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The key to making a good LED lighting product lies in heat dissipation, driving power supply, and light source. Heat dissipation is particularly important. The heat dissipation effect directly af...[Details]
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China Mobile, Intel, HP and MediaTek Collaborate on Next-Generation 5G All-Connected PCs May 17, 2021 – China Mobile, together with Intel, HP and MediaTek, announced that they will cooperate in the...[Details]
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Knowledge point: Phase difference between two electromotive forces
1. What are the main differences in the changes in electrical quantities when the system oscillates and short-circuits?
...[Details]
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With the development of society and the advancement of science and technology, people's security awareness is getting stronger and stronger, and the increasing maturity of computer network technology...[Details]
Analog electronics
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