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Capacitors are widely used in electrical engineering, for example, phase-shifting capacitors used to improve the power factor of inductive loads, starting capacitors used in single-phase asynchronou...[Details]
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Chapter 6 Acquisition Module Test Results This chapter mainly tests the designed NMR signal envelope acquisition module. First, the background noise test and sine signal test were carried out, an...[Details]
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1 Introduction The timer is a very important part of the MCS-51 microcontroller. Since its application is related to other hardware of the microcontroller, there is a certain complexity . The timer ...[Details]
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The picture below is a MF47 digital multimeter. The appearance design of the MF47 digital multimeter is shown in the figure below. It consists of a handle, a meter head, a precision measurement swit...[Details]
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Automatic beverage machines are common in daily life, such as those commonly found outdoors, in shopping malls, on buses, and in subways. There are many ways to design an automatic beverage machine sy...[Details]
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Recently, the research organization GTM Research counted the shipment of solar inverters in the United States in 2014. The top three manufacturers accounted for nearly 60% of the market, namely the...[Details]
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#include reg52.h sbit d1=P2^0; sbit d2=P2^1; sbit d3=P2^2; sbit d4=P2^3; sbit d5=P2^4; sbit d6=P2^5; sbit d7=P2^6; sbit d8=P2^7; void delay(int t) { while(t--); } void main() { while(1) { ...[Details]
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The following circuit is used to drive a 3V powered micro DC motor. This motor has two leads. By changing the polarity of the two leads, the motor can be reversed. The drive circuit is required to be...[Details]
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The address space of the MCS-51 microcontroller's external RAM is 64K, and the address bus is 16 bits. The following four instructions can be executed to access the external RAM:
MOVX A,@DPTR
...[Details]
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The 9th China (Western) Electronic Information Expo, the largest electronics industry event in the west, will be held at the Century City New International Convention and Exhibition Center in Chengdu...[Details]
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introduction
In integrated circuit systems, current units of various analog functions are composed of basic current mode units.
Transconductance amplifiers
are the basic units of curr...[Details]
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As the temperature continued to rise, at 13:14 on July 30, the maximum power load of the East China Power Grid reached 297.91 million kilowatts, a year-on-year increase of 5.95%.
This summer, ...[Details]
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A photomultiplier tube (PMT) is a device that turns light into an electric current. A photomultiplier tube has a light-sensitive cathode that emits electrons in proportion to the number of photons th...[Details]
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“Why is this screen not responding when I press it?” YouTuber Chris Cohoon's daughter, who is less than 10 years old, asked him this question after she got a Game Boy Color. It is estimated that ma...[Details]
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Here is an overview of the pros and cons of these motors:
1. Advantages:
(1) Low cost:
Two-phase permanent magnet (PM) stepper motors are generally less expensive than similarly size...[Details]
RF/Wirelessly
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