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Selection of the working mode of the switching power supply: In the switching power supply circuit, there are four basic types: single-ended flyback, single-ended forward, half-bridge and full-br...[Details]
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The 32F window watchdog has a 7-bit down counter that generates a watchdog reset in one of the following two situations:
1) When the counter value decreases from 0x40 to 0x3F
2) When the counte...[Details]
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First of all, you should understand the digital tube and its working principle. Understand whether you are using a common cathode or common anode digital tube, and secondly, understand the segment se...[Details]
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PIC16 Timer and Crystal Oscillator Calculation
T=(256-A)*(4/F)*Division ratio
T: is the time you want to set.
A: is the corresponding value to be assigned (that is, the value I want to get).
F: c...[Details]
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According to netizens, Redmi K20 today launched the first MIUI 12 development beta version based on Android 11. Users in need can apply for the beta test on their own. The official also stat...[Details]
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To measure and control transmit power in multi-carrier wireless infrastructure, root mean square (rms) power detection is required. Traditional power detectors use diode detection or logarithmic ampl...[Details]
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The "Outline of Key Construction Tasks for Ubiquitous Power Internet of Things in 2020" (hereinafter referred to as the "Outline") recently issued by State Grid Corporation of China pointed out tha...[Details]
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If you want to do your work well, you must first sharpen your tools. When we develop microcontrollers, whether debugging circuits or debugging programs, we need to use some auxiliary tools to help fi...[Details]
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The frequency converter is a device that converts the industrial frequency
power
supply (50Hz or 60Hz) into AC
power supply
of various frequencies
to achieve variable speed operatio...[Details]
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With sales of its first electric car outstripping those of its traditional 911 sports car, German automaker Porsche is responding by upping its bet on electric vehicles, in part through a big investm...[Details]
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If you want to design a good transformer, you first need to choose a good transformer. The choice of transformer is subject to many factors, which I have mentioned many times in many articles before...[Details]
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SAM-BA burns Bootstrap1.16 and Uboot1.3.4, MCU chip is at91sam9261, Nandflash is K9F1G08 Power on the system, then connect to the computer through the serial port, open SAM-BA, if there is no probl...[Details]
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1 Reverse recovery process of the secondary rectifier diode
In fact, when a reverse voltage is suddenly applied to a diode, after the current drops to zero, it does not stop conducting immedia...[Details]
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The main design challenges of LED lighting applications include heat dissipation, high efficiency, low cost, dimming without flicker, wide range dimming, reliability, safety and elimination of color d...[Details]
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The intelligent compact shelving control system is a highly automated storage device, which is widely used in libraries, archives, warehouses and other places. It realizes intelligent control and m...[Details]
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