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Three-phase watt-hour meters have three-phase three-wire and three-phase four-wire, and the input voltages are 3×(220～240)V/380～400V, 3×57V/100V, etc. The power supply circuit of the three-phase watt-...[Details]
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Smoke alarm production process and related programs
//Program header function
#include reg52.h
//Macro definition
#define uint unsigned int
#define uchar unsigned char
#define Data_ADC...[Details]
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I found this information when I was learning PIC a long time ago. It is very helpful for reading and writing SD cards! ! ! Physical picture: The simulation schematic diagram is as follows. Th...[Details]
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According to 91 mobiles, Qualcomm is expected to release the next-generation flagship chip Snapdragon 875 later this year, using a 5nm process. Email information obtained from 91 mobiles shows that ...[Details]
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When the voltage at the negative input of the comparator reaches the positive threshold voltage, the comparator output switches low, thereby lowering the threshold voltage at the positive input o...[Details]
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The focus of the LED industry is on LED lighting applications, especially smart lighting and healthy lighting, which have become the new market focus of LED lighting. The booming LED lighting mark...[Details]
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Samsung announced that it has adopted the 11nm process , which has improved performance by 15% compared to the previous 14nm process and reduced power consumption per unit area by 10%. If Moore's ...[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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At present, due to the high price of spectrum analyzers, only a few laboratories in colleges and universities are equipped with spectrum analyzers. However, in electronic information teaching, witho...[Details]
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The current development direction and status of automobiles force automobile air conditioners to develop in the direction of standardization and all-season cabin climate control. In modern automobi...[Details]
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In recent years, the popularity of LCD displays and the development of microprocessors to large capacity have significantly improved the human-computer interaction function of embedded systems. I...[Details]
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The operation of the microcontroller requires clock support - just like the CPU of a computer, if there is no clock circuit to generate a clock to drive the microcontroller, the microcontroller c...[Details]
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USB controller chip and its application in image acquisition
This paper introduces the features and functions of the CYPRESS2131 USB controller chip in detail, and makes a detailed ana...[Details]
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Pointer multimeter testing skills Before testing the pointer multimeter, first place the multimeter horizontally and check whether its needle is at zero (referring to the zero point of the current...[Details]
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In addition to the momentum and pressure from political strategies such as the Kyoto Protocol, the increasing cost of many forms of energy and the search for "cleaner" sources of power are drivin...[Details]
Microcontroller MCU
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