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Many NOPs in the program are redundant. I hope readers can further streamline them, but they must be verified. Atmel 24C01 is special and simple. 51 crystal oscillator is 11.0592MHz ------...[Details]
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The 51 microcontroller is a microprocessor widely used in the development of embedded systems. It integrates multiple timer and counter modules and can easily perform time-related operations. This ar...[Details]
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With the rapid development of the consumer electronics market represented by smartphones, tablets and ultrabooks, the demand and development of MEMS microphone products have been greatly promoted. Ac...[Details]
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Multimeters are divided into traditional multimeters and digital multimeters. Traditional multimeters are of the electromagnetic deflection type and require mechanical zeroing before each use. They...[Details]
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introduction
Frequency modulated continuous wave (FMCW) radar is a radar system that obtains distance and speed information by frequency modulating continuous waves. It has attracted widespread a...[Details]
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Digital multimeters are popular among radio enthusiasts because of their advantages such as accurate measurement, convenient value acquisition, and complete functions. The most common digital multimet...[Details]
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This paper designs a smart home waterproofing system that can automatically detect accidental water leakage in selected areas, cut off the water pipe in time through the solenoid valve, and alarm...[Details]
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On December 15, the China Resources Dali Zaoyang Wind Power Vanadium Liquid Flow Battery Industrial Park project officially started. Lv Yibin, chairman of the Municipal People's Congress Standing Comm...[Details]
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PFC-SEPIC LED Driver PFC stands for "Power Factor Correction", SEPIC stands for "Single-Ended Primary Inductor Converter", and of course, LED stands for "Light Emitting Diode" Integrating these...[Details]
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The optical fiber macrobending loss test is described in the national standard GB/T9771.3-2008 as follows: the optical fiber is loosely wound 100 times with a radius of 30mm, and the macrobending ...[Details]
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#include avr/io.h #define SET_BIT(x,y) ((x)|=(0x0001 (y))) /*Set the Yth bit of X to 1*/ #define CLR_BIT(x,y) ((x)&=~(0x0001 (y))) /*Set the Yth bit of X to 0*/ #define SET_BIT(x,y) ((x)^=(0x0001 ...[Details]
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On October 8, the reporter learned from the East China Branch of State Grid Corporation of China that the frequency of the East China Power Grid was restored to 50.0 Hz at 12:20 on September 29, an...[Details]
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Logical encryption
Memory card: An encryption logic circuit is added to the non-encrypted memory card. The encryption logic circuit protects the data in the card from external access by verify...[Details]
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On August 19, Nasda released its semi-annual report stating that in the first half of 2021, the company achieved operating income of 9.907 billion yuan, a year-on-year increase of 0.19%; the net prof...[Details]
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Earlier rumors have suggested that the MacBook Pro will switch to OLED display technology as early as 2026. Apple analyst Ming-Chi Kuo and display industry analyst Ross Young both recently predicte...[Details]