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At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
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Upstream chip technology has always been the bottleneck of domestic LEDs, and most of the core technologies are mastered abroad. The following is an introduction to the chip manufacturing process...[Details]
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AMD's stock price has soared all the way, reaching a record high of $83.39. Just four months ago, its stock price was still under $40, but now it has doubled. As of 11:15 Beijing time, AMD's total ma...[Details]
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1 Introduction
During the production process of quartz crystal sheets, they have to go through processes such as cutting and grinding. Some of the quartz crystal sheets will have physical defec...[Details]
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White LED diodes require a relatively high forward voltage of 3.50V, so it is not possible to connect directly to a standard portable battery voltage. Also, these diodes must be powered with a constan...[Details]
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Industry Focus 1. AIWAYS and Quantum Mobility Technology have reached a strategic cooperation to create a future smart travel life Recently, AIWAYS signed a strategic cooperation agreement with Q...[Details]
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After releasing the developer version, Apple today pushed the first Beta version of the iOS 14.3 and iPadOS 14.3 updates to public beta testers. Public testers who have signed up for Apple's beta t...[Details]
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According to Reuters, on Wednesday local time, U.S. Commerce Secretary Wilbur Ross said in an interview with Fox Business Network that the latest U.S. regulations against Huawei are necessary "clarif...[Details]
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According to foreign media Tomshardware, the GPU pricing index they provide tracks all the best graphics cards and the latest members in the GPU benchmark hierarchy. We are also (manually) crawling h...[Details]
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I wrote a serial port receiving function gprs_callback and put it in the serial port interrupt, as follows:
void gprs_callback(void)
{
if(GprsCnt GRLEN)
GprsReceive = LPC_UART2- RBR;
}
The v...[Details]
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1 Introduction Human exploration of the microscopic world and pursuit of miniaturization are endless. The intelligence and automation of various applications require more functions to be integrated i...[Details]
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The speaker system needs to reproduce various music programs with high quality. According to the properties of the music signal, its peak factor is about 10-15DB. From the perspective of ensuring soun...[Details]
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Washing machines have always been an important part of our daily lives. However, the problems we have to deal with within a few months of using them make it more difficult. Previously, we have publ...[Details]
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Zhiji knows that if it wants to take the lead in the market, it must strengthen its market appeal in the field of intelligence. As the competition on the electrification track becomes increasingly ...[Details]
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Main technical indicators of speakers
The speaker market is full of mixed goods, with prices ranging from tens of yuan to thousands of yuan. How to choose a suitable speaker according to your appli...[Details]
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