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According to the measurement principle and result display method, it can be divided into two categories: pointer type and digital type. The main differences between the two are as follows. Digital ...[Details]
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On the evening of May 19, vivo held a new product launch conference for the vivo S15 series, releasing the vivo S15, vivo S15 Pro and vivo TWS Air headphones. In terms of appearance design...[Details]
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China Energy Storage Network: The
modern energy system is a concept of development. It is relative to the old energy system dominated by fossil fuels. It has the characteristics of high effic...[Details]
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Mobile Internet Device (MID) is an emerging product that integrates wireless communication and computing functions, aiming to provide higher portability than notebook computers and larger display scre...[Details]
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China Electric Vehicle Hundred People Forum 2020 Media Communication Meeting "Rapid growth driven by subsidies is relatively fragile, and a sudden decline does make people anxious, but the market ...[Details]
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With the development of social production and science and technology, the application of rectifier circuits in automatic control systems, measurement systems and generator excitation systems is bec...[Details]
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What comes after SPI? It's pulse width modulation PWM~~ The next article is IIC~~ Then it ends~~ 7. Pulse Width Modulation (PWM) 7—(01) Introduction to PWM related applications and registers~~ 1. Fea...[Details]
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#include
typedef unsigned char uchar;
typedef unsigned int uint;
/**************Macro definition****************/
#define DataDir P4DIR
#define DataPort P4OUT
#define Busy 0x80
#define Ctr...[Details]
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The burn-through element is an optional component in the cable fault test system. Why is it an optional component? This component is mainly used to burn through the poor insulation points of high-vol...[Details]
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Aiming at the problems of overcharging, undercharging, battery overheating and slow charging speed in the charging process of lead-acid batteries used in intelligent controllers of feed switches o...[Details]
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The test circuit
of
the contact
resistance
, coil
resistance
, coil pull-in voltage and release voltage of the
relay
is
shown in the figure.
(1) Measure
the ...[Details]
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First, let's explain how the buttons are connected to the S3C2440 chip: KEY1 ---- EINT8 ---- GPG0 KEY2 ---- EINT11 ---- GPG3 KEY3 ---- EINT13 ---- GPG5 KEY4 ---- EINT14 ---- GPG6 KEY5 ---- EINT15 ---...[Details]
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We focus on the output characteristics of the new generation of all-vanadium liquid flow battery energy storage, establish a liquid flow battery energy storage grid-related performance index system th...[Details]
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To detect the parameters of the inductor, special instruments (such as inductor-capacitor bridge, Q meter, etc.) are required. If special instruments are not available, a multimeter can be used to te...[Details]
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As the density of electronic devices on PCB boards increases, the routing becomes narrower, and the frequency of signals increases, EMC (electromagnetic compatibility) and EMI (electromagnetic interf...[Details]
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