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Preface
For the die-casting products industry, power consumption is the main part of its production cost, and the die-casting machine is one of the main energy-consuming equipment in the produ...[Details]
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In the third quarter of 2021, 5G mobile phone products have gradually penetrated into my country's mobile phone market, showing a stable development trend; the number of 4G mobile phone models ...[Details]
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Preface Since the 1970s, with the continuous development of power electronics technology, inverter technology has been gradually introduced into the welding field. In the 1980s, high-performanc...[Details]
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Analysts at South Korea's NH Investment & Securities recently said that the global MLCC supply and demand imbalance will further intensify in the second half of this year, and Samsung Electro-Mechani...[Details]
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I finally had time to update recently. I spent a few days to make a little thing. Although there are many ways to implement it circulating on the Internet, I have never tried it. While I have time, I...[Details]
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Faced with the reality of the deteriorating ecological environment and the increasing shortage of resources, governments around the world have adopted many policies and measures to vigorously suppo...[Details]
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The servo motor is a high-precision actuator that can convert electrical signals into displacement and angle changes. The displacement of the motor is controlled by a pulse signal. Every time a pul...[Details]
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The 51 MCU 16X32LED dot matrix display screen consists of a MCU minimum system, a row drive circuit 74HC154, and a column drive circuit 74HC595, which can display Chinese characters and numbers. The ...[Details]
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Kernel version linux-2.6.30.4
I2C is a subsystem under Bus in Linux. It consists of client driver, i2c-core, i2c adapter driver, and algorithm aglorithm. There are two i2c adapters in s3c2440. As pla...[Details]
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The U.S.-China trade war continues to rage, adding uncertainty to the semiconductor industry's peak season in the second half of the year. Semiconductor manufacturers such as Creative and GlobalWafer...[Details]
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The 80C51 microcontroller was developed on the basis of the 8051, which means that in the development process of the microcontroller, there was the 8051 first, and then the 80C51. The 8051 microcon...[Details]
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One of the most challenging tasks facing test engineers is to generate stimulus signals for testing PCB prototypes or silicon, or to define complex high-frequency modulation signals for RF technology...[Details]
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"In the past, finding charging piles was the most troublesome thing. I didn't know where they were or whether they were available. Different charging piles had different mobile applications, and I ...[Details]
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If the AC/DC voltage range of the multimeter and the AC/DC type of the voltage being measured are correct, when measuring DC voltage, the digital multimeter will display a - sign and the pointer of...[Details]
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Concept diagram of the latest electromagnetic wave absorption and shielding materials. Image source: Korea Institute of Materials Science
Scientists at the Korea Institute of M...[Details]