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Last Thursday, I had tea with a big shot in the component e-commerce industry at the Shanghai Hotel, and we exchanged some views and opinions on the industry and the future. I guess you didn't expect...[Details]
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1. Introduction
Disassembled a cheap handheld fan:
This small fan has a motor speed control circuit, which is controlled by PWM:
PWM stands for Pulse Width Modulati...[Details]
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LG's rollable phone has reportedly been listed in a database on a South Korean operator's intranet. According to Twitter tipster @Cozyplanes, the device is currently registered in a South Korean oper...[Details]
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Mr. Wu Xiong'ang, Executive Chairman and CEO of Arm China, attended the Huawei Connect Conference and released the "Kunpeng Computing Industry Development White Paper" jointly signed by Huawei and Ar...[Details]
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On June 15, a configuration diagram of what is suspected to be the super-large cup Xiaomi 10 Pro+ was exposed on Weibo. As shown in the picture, the phone uses a 120Hz display, is equipped ...[Details]
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Earlier today, foreign media reported that Apple is preparing a new iPhone, which will make a big fuss about the interface, and it is very likely that the lightning interface will be removed. ...[Details]
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Can power batteries have both high energy density and ultra-fast charging? Microvast Power, which was first known for its fast-charging batteries, has explored this under current and future technical...[Details]
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The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
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Use an oscilloscope to check the frequency of the waveform, set the frequency to f. Then the period of the waveform is 1/f (note that the unit should be converted to seconds (s)). Use the cursor line...[Details]
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With the rapid development of the automobile market and the improvement of people's living standards, more and more cars are entering ordinary families. Car anti-theft is particularly important and ha...[Details]
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●National Key R&D Program 1.3, full name is National Key R&D Program - Key technologies and demonstration applications for grid-connected and integrated distributed renewable energy generation clus...[Details]
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The method is as follows:
refer to Figure 5-9 (C), saw the lower edge of the capacitor's compression groove around, carefully remove the aluminum shell, carefully unfold the two rol...[Details]
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Inject new strength and strive to control the security situation, make mobile security accessible, and secure development feasible Now, the world where people live and work is increasingly integrat...[Details]
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Float flow meter The float flowmeter is a volume flow meter that measures the flow rate by changing the flow area between the float and the float in a vertical tapered tube as the flow changes. I...[Details]
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According to the latest results released by Gartner, global semiconductor revenue totaled US$595 billion in 2021, an increase of 26.3% over 2020. Andrew Norwood, vice president of research at Gartner...[Details]
Analogue and Mixed Signal
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