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introduction
LED is the abbreviation of Light Emitting Diode. Its basic structure is a piece of electroluminescent semiconductor material. The core part is a chip composed of p-type semiconductor ...[Details]
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1. Compilation reason: I used the zImage file of Stao, and the MPlayer I compiled myself could not be used. I had to add the --nosound option to play the video. Later, I saw an article saying t...[Details]
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Since integration is a lagging correction link and differentiation is a leading correction link, when the control error e (n) is large, proportional-differential (PD) regulation should be used (wit...[Details]
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Preface: I am currently debugging the STM32L152 chip. This article summarizes the RCC clock configuration method of the STM32L152. Hardware platform: STM32L152 Software platform: keil v5+cubeMX...[Details]
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Download the schematic diagram used in this program: click here , the microcontroller chip used is stc89c52
/*
*Function: Timer 0 realizes signal traffic light
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*Date: 2013-05-07-08:41
*Autho...[Details]
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1. The difference between differential pressure gauge and pressure gauge - different uses: Differential pressure gauge measures the pressure difference between two points, testing the pressure differ...[Details]
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As people's quality of life improves, the requirements for industrial production and living conditions are getting higher and higher, and people's demand for gas sensors is also increasing. The res...[Details]
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Introduction In addition to using MAX7219, some common LED dot matrices also use 74HC595. The former can be refreshed actively, while the latter requires the host computer to actively scan and refres...[Details]
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WASHINGTON (Reuters) - The U.S. Federal Communications Commission (FCC) said on Monday it will begin auctioning 2.5 GHz spectrum band licenses for 5G wireless services for bidding on July 29. Image...[Details]
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01 Determine whether the circuit or device is energized The digital AC voltage range is very sensitive, and it can display even a small induced voltage around. Based on this feature, it can be used a...[Details]
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01
Product naming
As the name suggests, automotive grade inductors are used in the automotive electronics field and can meet the high reliability requirements of the automotive industry. ...[Details]
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Clock
chips are widely used in various devices that need to record specific time. For
portable
devices, the power consumption of clock chips is very important to maintain the norma...[Details]
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Look around at the electrical appliances around you: desktop computers, laptops, printers, monitors, modems, stereos, TVs. Do they all really need 220 volts AC power? Then look at your power strip....[Details]
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Efficiency is a critical performance parameter for electric motor products. Especially in the current energy-saving control environment, customers are more clear and persistent in their pursuit of ...[Details]
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A soft starter is an electrical device used to start a motor. It can effectively reduce the current shock when the motor starts, extend the service life of the motor, and improve the stability ...[Details]