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Figure 3-35 is a block diagram of a descending discharge type stabilization circuit. The main feature of this circuit is that it utilizes the leakage characteristics of the energy storage device to a...[Details]
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introduction
Most of the contemporary LCD displays use cold cathode fluorescent lamp (CCFL) backlight or LED static backlight. Since CCFL brightness is difficult to control and has a slow resp...[Details]
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Today we are learning how to use digital tubes and latches. The purpose of using latches is to reduce the use of IO ports. Originally, at least 15 IO ports were needed. After using latches, only 10 I...[Details]
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Some small programs written when making a small single-chip microcomputer run successfully on the minimum system, using interrupt keyboard scanning. //****The key value table is as follows:
// 1...[Details]
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From May 11 to 13, 2021, ZESTRON, an expert in precision cleaning for electronic manufacturing and semiconductor packaging, process solutions and consulting and training service provider, attended th...[Details]
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On May 15, according to foreign media reports, Volvo Cars has signed an agreement to purchase billions of dollars of electric vehicle batteries from two leading battery manufacturers in Asia until 20...[Details]
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An industrial switch is a network switch specifically designed for industrial applications, with high reliability, anti-interference ability, durability and protection characteristics. It can be us...[Details]
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Tesla is considering building a factory in Germany. Recently, German media revealed more details about Tesla's German factory. Tesla plans to invest 4 billion euros ($4.4 billion) to build the fact...[Details]
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Although it is generally recommended not to use a switching power supply for the power supply of ADC chips in analog quantity acquisition systems to avoid inherent problems such as large ripple and n...[Details]
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The metal tube float flowmeter is used to measure the medium. After all, the metal tube float flowmeter is a relatively high-precision instrument. However, it must be paid special attention during us...[Details]
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1 Introduction
As a semi-controlled power semiconductor device, the basic function of thyristor is to rectify, regulate and chop the voltage to meet the actual needs. At present, thyristor rec...[Details]
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The progress of IGBT technology is mainly reflected in two aspects: optimizing the vertical carrier concentration by adopting and improving the trench gate, and reducing the thickness of the wafer ...[Details]
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GPOIO can be used as communication interface such as I2C, SPI, USART, etc. This is the so-called alternate function output. The multiplexing function of GPIO is set by two registers, AFRL and AFRH (b...[Details]
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After successfully introducing ultrasonic touch sensors into two million smartphones, SenTong Technology has a new plan - to apply the new human-computer interaction technology more widely. The com...[Details]
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ARM system clock initialization:
This requires knowing what is a clock pulse signal, what is a clock frequency, and what is a clock source.
Clock pulse signal:
Clock pulse ...[Details]